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

[ 1/1 Fraction calculation ]
    Question type: Fractional addition
    Original question: 5/9+7/8
    Solution:
     
5
9
 +  
7
8
    Divide two fractions with defferent denominators:The denominators of two fractions are 9 and 8 respectively,their least common multiple is 72
    Divide the least common multiple 72 by the denominator 9 of the first addend to get 8
    Multiply the numerator 5 and denominator 9 of the first fraction by 8
    Then divide the least common multiple 72 by the denominator 8 of the second addend to get 9
    Multiply the numerator 7 and denominator 8 of the second fraction by 9
    = 
40
72
 +  
63
72
    Calculation result:
    =
103
72




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