Solutions by everydaycalculation.com

36 - 57 is -314.

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

LCM of 6 and 7 is**42**

Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,

36 = 3 × 76 × 7 = 2142 - Likewise, for the 2nd fraction, since 7 × 6 = 42,

57 = 5 × 67 × 6 = 3042 - Subtract the two like fractions:

2142 - 3042 = 21 - 3042 = -942 - After reducing the fraction, the answer is -314

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