Subtract 7/27 from 42/28, Solve 1 14/28

Subtract 7/27 from 42/28

1^st number: 1 14/28, 2^nd number: 7/27

42/28 - 7/27 is 67/54.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 28 × 27 = 756,
42/28 = 42 × 27/28 × 27 = 1134/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
7/27 = 7 × 28/27 × 28 = 196/756
Subtract the two like fractions:
1134/756 - 196/756 = 1134 - 196/756 = 938/756
After reducing the fraction, the answer is 67/54
In mixed form: 113/54

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