Subtract 3/60 from 49/21, Solve 2 7/21

Subtract 3/60 from 49/21

1^st number: 2 7/21, 2^nd number: 3/60

49/21 - 3/60 is 137/60.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
49/21 = 49 × 20/21 × 20 = 980/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420
Subtract the two like fractions:
980/420 - 21/420 = 980 - 21/420 = 959/420
After reducing the fraction, the answer is 137/60
In mixed form: 217/60

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