Subtract 63/49 from 72/84
1st number: 72/84, 2nd number: 1 14/49
72/84 - 63/49 is -3/7.
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,
72/84 = 72 × 7/84 × 7 = 504/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
63/49 = 63 × 12/49 × 12 = 756/588 - Subtract the two like fractions:
504/588 - 756/588 = 504 - 756/588 = -252/588 - After reducing the fraction, the answer is -3/7
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