Subtract 1/12 from 42/28, Solve 1 14/28

Subtract 1/12 from 42/28

1^st number: 1 14/28, 2^nd number: 1/12

42/28 - 1/12 is 17/12.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
42/28 = 42 × 3/28 × 3 = 126/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
1/12 = 1 × 7/12 × 7 = 7/84
Subtract the two like fractions:
126/84 - 7/84 = 126 - 7/84 = 119/84
After reducing the fraction, the answer is 17/12
In mixed form: 15/12

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