Subtract 16/48 from 27/21, Solve 1 6/21

Subtract 16/48 from 27/21

1^st number: 1 6/21, 2^nd number: 16/48

27/21 - 16/48 is 20/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 21 × 16 = 336,
27/21 = 27 × 16/21 × 16 = 432/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
16/48 = 16 × 7/48 × 7 = 112/336
Subtract the two like fractions:
432/336 - 112/336 = 432 - 112/336 = 320/336
After reducing the fraction, the answer is 20/21

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