Subtract 7/49 from 10/84
10/84 - 7/49 is -1/42.
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,
10/84 = 10 × 7/84 × 7 = 70/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
7/49 = 7 × 12/49 × 12 = 84/588 - Subtract the two like fractions:
70/588 - 84/588 = 70 - 84/588 = -14/588 - After reducing the fraction, the answer is -1/42
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