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

[ 1/1 Fraction calculation ]
    Question type: Fractional subtraction
    Original question: 19/90-1/10

    Solution:
     
19
90
 -  
1
10
    Divide two fractions with defferent denominators:The denominators of two fractions are 90 and 10 respectively,their least common multiple is 90
    Divide the least common multiple 90 by the denominator 90 of the minuend to get 1
    Multiply the numerator 19 and denominator 90 of the subtracted number by 1
    Then divide the least common multiple 90 by the denominator 10 of the subtraction to get 9
    Multiply the subtracted numerator 1 and denominator 10 by 9 at the same time
    = 
19
90
 -  
9
90
Calculation result:
    =
10
90
    The calculation result is reduced by 10
    =
1
 10 
 90 
9

    =
1
9



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