Subtract 7/60 from 42/28, Solve 1 14/28

Subtract 7/60 from 42/28

1^st number: 1 14/28, 2^nd number: 7/60

42/28 - 7/60 is 83/60.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
42/28 = 42 × 15/28 × 15 = 630/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
7/60 = 7 × 7/60 × 7 = 49/420
Subtract the two like fractions:
630/420 - 49/420 = 630 - 49/420 = 581/420
After reducing the fraction, the answer is 83/60
In mixed form: 123/60

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