Solutions by everydaycalculation.com

24 - 57 is -314.

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

LCM of 4 and 7 is**28**

Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,

24 = 2 × 74 × 7 = 1428 - Likewise, for the 2nd fraction, since 7 × 4 = 28,

57 = 5 × 47 × 4 = 2028 - Subtract the two like fractions:

1428 - 2028 = 14 - 2028 = -628 - After reducing the fraction, the answer is -314

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