Solutions by everydaycalculation.com

1^{st} number: 2/7, 2^{nd} number: 1 2/8

27 - 108 is -2728.

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

LCM of 7 and 8 is**56**

Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,

27 = 2 × 87 × 8 = 1656 - Likewise, for the 2nd fraction, since 8 × 7 = 56,

108 = 10 × 78 × 7 = 7056 - Subtract the two like fractions:

1656 - 7056 = 16 - 7056 = -5456 - After reducing the fraction, the answer is -2728

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