Subtract 80/54 from 36/56, Solve 36/56

Subtract 80/54 from 36/56

1^st number: 36/56, 2^nd number: 1 26/54

36/56 - 80/54 is -317/378.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512

Next, find the equivalent fraction of both fractional numbers with denominator 1512
For the 1st fraction, since 56 × 27 = 1512,
36/56 = 36 × 27/56 × 27 = 972/1512
Likewise, for the 2nd fraction, since 54 × 28 = 1512,
80/54 = 80 × 28/54 × 28 = 2240/1512
Subtract the two like fractions:
972/1512 - 2240/1512 = 972 - 2240/1512 = -1268/1512
After reducing the fraction, the answer is -317/378

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