Subtract 63/84 from 27/8, Solve 3 3/8

Subtract 63/84 from 27/8

1^st number: 3 3/8, 2^nd number: 63/84

27/8 - 63/84 is 21/8.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 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 84 × 2 = 168,
63/84 = 63 × 2/84 × 2 = 126/168
Subtract the two like fractions:
567/168 - 126/168 = 567 - 126/168 = 441/168
After reducing the fraction, the answer is 21/8
In mixed form: 25/8

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