Subtract 7/8 from 42/14, Solve 3 0/14

Subtract 7/8 from 42/14

1^st number: 3 0/14, 2^nd number: 7/8

42/14 - 7/8 is 17/8.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 14 × 4 = 56,
42/14 = 42 × 4/14 × 4 = 168/56
Likewise, for the 2nd fraction, since 8 × 7 = 56,
7/8 = 7 × 7/8 × 7 = 49/56
Subtract the two like fractions:
168/56 - 49/56 = 168 - 49/56 = 119/56
After reducing the fraction, the answer is 17/8
In mixed form: 21/8

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