Subtract 56/49 from 45/84
1st number: 45/84, 2nd number: 1 7/49
45/84 - 56/49 is -17/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
45/84 = 45 × 7/84 × 7 = 315/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
56/49 = 56 × 12/49 × 12 = 672/588 - Subtract the two like fractions:
315/588 - 672/588 = 315 - 672/588 = -357/588 - After reducing the fraction, the answer is -17/28
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