Subtract 49/96 from 3/21
3/21 - 49/96 is -247/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
3/21 = 3 × 32/21 × 32 = 96/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
49/96 = 49 × 7/96 × 7 = 343/672 - Subtract the two like fractions:
96/672 - 343/672 = 96 - 343/672 = -247/672
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