Subtract 45/7 from 21/96
1st number: 21/96, 2nd number: 6 3/7
21/96 - 45/7 is -1391/224.
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,
45/7 = 45 × 96/7 × 96 = 4320/672 - Subtract the two like fractions:
147/672 - 4320/672 = 147 - 4320/672 = -4173/672 - After reducing the fraction, the answer is -1391/224
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