Subtract 84/96 from 8/42
8/42 - 84/96 is -115/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
8/42 = 8 × 16/42 × 16 = 128/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
84/96 = 84 × 7/96 × 7 = 588/672 - Subtract the two like fractions:
128/672 - 588/672 = 128 - 588/672 = -460/672 - After reducing the fraction, the answer is -115/168
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