Subtract 56/20 from 9/14, Solve 9/14

Subtract 56/20 from 9/14

1^st number: 9/14, 2^nd number: 2 16/20

9/14 - 56/20 is -151/70.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 14 × 10 = 140,
9/14 = 9 × 10/14 × 10 = 90/140
Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140
Subtract the two like fractions:
90/140 - 392/140 = 90 - 392/140 = -302/140
After reducing the fraction, the answer is -151/70

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