Solutions by everydaycalculation.com

24 - 79 is -518.

- Find the least common denominator or LCM of the two denominators:

LCM of 4 and 9 is**36**

Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,

24 = 2 × 94 × 9 = 1836 - Likewise, for the 2nd fraction, since 9 × 4 = 36,

79 = 7 × 49 × 4 = 2836 - Subtract the two like fractions:

1836 - 2836 = 18 - 2836 = -1036 - After reducing the fraction, the answer is -518

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