Mathematics
         
语言:中文    Language:English
Fractions calculation:
    Enter the fractions calculation formula directly and click the "Next" button to get the calculation answer.
    It does not support mathematical functions (including trigonometric functions) and can only calculate the addition, subtraction, multiplication and division of two fractions. The fraction line is indicated by "/".
    Current location:Mathematical operation > History of fraction calculation > Answer

    Overview: 7 questions will be solved this time.Among them
           ☆7 fraction calculations

[ 1/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 1/2+2/3

    Solution:
     
1
2
 +  
2
3
    Divide two fractions with defferent denominators:The denominators of two fractions are 2 and 3 respectively,their least common multiple is 6
    Divide the least common multiple 6 by the denominator 2 of the first addend to get 3
    Multiply the numerator 1 and denominator 2 of the first fraction by 3
    Then divide the least common multiple 6 by the denominator 3 of the second addend to get 2
    Multiply the numerator 2 and denominator 3 of the second fraction by 2
    = 
3
6
 +  
4
6
    Calculation result:
    =
7
6

[ 2/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 3/4+4/5

    Solution:
     
3
4
 +  
4
5
    Divide two fractions with defferent denominators:The denominators of two fractions are 4 and 5 respectively,their least common multiple is 20
    Divide the least common multiple 20 by the denominator 4 of the first addend to get 5
    Multiply the numerator 3 and denominator 4 of the first fraction by 5
    Then divide the least common multiple 20 by the denominator 5 of the second addend to get 4
    Multiply the numerator 4 and denominator 5 of the second fraction by 4
    = 
15
20
 +  
16
20
    Calculation result:
    =
31
20

[ 3/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 5/6+6/7

    Solution:
     
5
6
 +  
6
7
    Divide two fractions with defferent denominators:The denominators of two fractions are 6 and 7 respectively,their least common multiple is 42
    Divide the least common multiple 42 by the denominator 6 of the first addend to get 7
    Multiply the numerator 5 and denominator 6 of the first fraction by 7
    Then divide the least common multiple 42 by the denominator 7 of the second addend to get 6
    Multiply the numerator 6 and denominator 7 of the second fraction by 6
    = 
35
42
 +  
36
42
    Calculation result:
    =
71
42

[ 4/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 7/8+8/7

    Solution:
     
7
8
 +  
8
7
    Divide two fractions with defferent denominators:The denominators of two fractions are 8 and 7 respectively,their least common multiple is 56
    Divide the least common multiple 56 by the denominator 8 of the first addend to get 7
    Multiply the numerator 7 and denominator 8 of the first fraction by 7
    Then divide the least common multiple 56 by the denominator 7 of the second addend to get 8
    Multiply the numerator 8 and denominator 7 of the second fraction by 8
    = 
49
56
 +  
64
56
    Calculation result:
    =
113
56

[ 5/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 7/6+6/5

    Solution:
     
7
6
 +  
6
5
    Divide two fractions with defferent denominators:The denominators of two fractions are 6 and 5 respectively,their least common multiple is 30
    Divide the least common multiple 30 by the denominator 6 of the first addend to get 5
    Multiply the numerator 7 and denominator 6 of the first fraction by 5
    Then divide the least common multiple 30 by the denominator 5 of the second addend to get 6
    Multiply the numerator 6 and denominator 5 of the second fraction by 6
    = 
35
30
 +  
36
30
    Calculation result:
    =
71
30

[ 6/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 5/4+4/3

    Solution:
     
5
4
 +  
4
3
    Divide two fractions with defferent denominators:The denominators of two fractions are 4 and 3 respectively,their least common multiple is 12
    Divide the least common multiple 12 by the denominator 4 of the first addend to get 3
    Multiply the numerator 5 and denominator 4 of the first fraction by 3
    Then divide the least common multiple 12 by the denominator 3 of the second addend to get 4
    Multiply the numerator 4 and denominator 3 of the second fraction by 4
    = 
15
12
 +  
16
12
    Calculation result:
    =
31
12

[ 7/7 Fraction calculation ]
    Question type: Fractional addition
    Original question: 3/2+2/1

    Solution:
     
3
2
 +  2
    Divide two fractions with defferent denominators:The denominators of two fractions are 2 and 1 respectively,their least common multiple is 2
    Divide the least common multiple 2 by the denominator 2 of the first addend to get 1
    Multiply the numerator 3 and denominator 2 of the first fraction by 1
    Then divide the least common multiple 2 by the denominator 1 of the second addend to get 2
    Multiply the numerator 2 and denominator 1 of the second fraction by 2
    = 
3
2
 +  
4
2
    Calculation result:
    =
7
2


>>注:本次最多计算 7 道题。




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