Subtract 40/14 from 70/54, Solve 1 16/54

Subtract 40/14 from 70/54

1^st number: 1 16/54, 2^nd number: 2 12/14

70/54 - 40/14 is -295/189.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378
Likewise, for the 2nd fraction, since 14 × 27 = 378,
40/14 = 40 × 27/14 × 27 = 1080/378
Subtract the two like fractions:
490/378 - 1080/378 = 490 - 1080/378 = -590/378
After reducing the fraction, the answer is -295/189

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