Subtract 70/28 from 56/54, Solve 1 2/54

Subtract 70/28 from 56/54

1^st number: 1 2/54, 2^nd number: 2 14/28

56/54 - 70/28 is -79/54.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 54 × 14 = 756,
56/54 = 56 × 14/54 × 14 = 784/756
Likewise, for the 2nd fraction, since 28 × 27 = 756,
70/28 = 70 × 27/28 × 27 = 1890/756
Subtract the two like fractions:
784/756 - 1890/756 = 784 - 1890/756 = -1106/756
After reducing the fraction, the answer is -79/54

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