Subtract 96/84 from 3/8, Solve 3/8 - 1 12/84 as a fraction

Subtract 96/84 from 3/8

1^st number: 3/8, 2^nd number: 1 12/84

3/8 - 96/84 is -43/56.

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,
3/8 = 3 × 21/8 × 21 = 63/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
96/84 = 96 × 2/84 × 2 = 192/168
Subtract the two like fractions:
63/168 - 192/168 = 63 - 192/168 = -129/168
After reducing the fraction, the answer is -43/56

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