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: 1/39-1/50

    Solution:
     
1
39
 -  
1
50
    Divide two fractions with defferent denominators:The denominators of two fractions are 39 and 50 respectively,their least common multiple is 1950
    Divide the least common multiple 1950 by the denominator 39 of the minuend to get 50
    Multiply the numerator 1 and denominator 39 of the subtracted number by 50
    Then divide the least common multiple 1950 by the denominator 50 of the subtraction to get 39
    Multiply the subtracted numerator 1 and denominator 50 by 39 at the same time
    = 
50
1950
 -  
39
1950
Calculation result:
    =
11
1950



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