Subtract 21/56 from 75/27, Solve 2 21/27

Subtract 21/56 from 75/27

1^st number: 2 21/27, 2^nd number: 21/56

75/27 - 21/56 is 173/72.

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,
75/27 = 75 × 56/27 × 56 = 4200/1512
Likewise, for the 2nd fraction, since 56 × 27 = 1512,
21/56 = 21 × 27/56 × 27 = 567/1512
Subtract the two like fractions:
4200/1512 - 567/1512 = 4200 - 567/1512 = 3633/1512
After reducing the fraction, the answer is 173/72
In mixed form: 229/72

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