Subtract 1/56 from 42/27, Solve 1 15/27

Subtract 1/56 from 42/27

1^st number: 1 15/27, 2^nd number: 1/56

42/27 - 1/56 is 775/504.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 56 is 1512

Next, find the equivalent fraction of both fractional numbers with denominator 1512
For the 1st fraction, since 27 × 56 = 1512,
42/27 = 42 × 56/27 × 56 = 2352/1512
Likewise, for the 2nd fraction, since 56 × 27 = 1512,
1/56 = 1 × 27/56 × 27 = 27/1512
Subtract the two like fractions:
2352/1512 - 27/1512 = 2352 - 27/1512 = 2325/1512
After reducing the fraction, the answer is 775/504
In mixed form: 1271/504

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