Subtract 6/21 from 27/8, Solve 3 3/8

Subtract 6/21 from 27/8

1^st number: 3 3/8, 2^nd number: 6/21

27/8 - 6/21 is 173/56.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
27/8 = 27 × 21/8 × 21 = 567/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
6/21 = 6 × 8/21 × 8 = 48/168
Subtract the two like fractions:
567/168 - 48/168 = 567 - 48/168 = 519/168
After reducing the fraction, the answer is 173/56
In mixed form: 35/56

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