Subtract 80/72 from 36/56, Solve 36/56

Subtract 80/72 from 36/56

1^st number: 36/56, 2^nd number: 1 8/72

36/56 - 80/72 is -59/126.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
36/56 = 36 × 9/56 × 9 = 324/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
80/72 = 80 × 7/72 × 7 = 560/504
Subtract the two like fractions:
324/504 - 560/504 = 324 - 560/504 = -236/504
After reducing the fraction, the answer is -59/126

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