Subtract 48/60 from 21/14, Solve 1 7/14

Subtract 48/60 from 21/14

1^st number: 1 7/14, 2^nd number: 48/60

21/14 - 48/60 is 7/10.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 14 × 30 = 420,
21/14 = 21 × 30/14 × 30 = 630/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
48/60 = 48 × 7/60 × 7 = 336/420
Subtract the two like fractions:
630/420 - 336/420 = 630 - 336/420 = 294/420
After reducing the fraction, the answer is 7/10

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