Subtract 2/7 from 21/96
21/96 - 2/7 is -15/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 7 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 96 × 7 = 672,
21/96 = 21 × 7/96 × 7 = 147/672 - Likewise, for the 2nd fraction, since 7 × 96 = 672,
2/7 = 2 × 96/7 × 96 = 192/672 - Subtract the two like fractions:
147/672 - 192/672 = 147 - 192/672 = -45/672 - After reducing the fraction, the answer is -15/224
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