Subtract 28/49 from 27/84
27/84 - 28/49 is -1/4.
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,
27/84 = 27 × 7/84 × 7 = 189/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
28/49 = 28 × 12/49 × 12 = 336/588 - Subtract the two like fractions:
189/588 - 336/588 = 189 - 336/588 = -147/588 - After reducing the fraction, the answer is -1/4
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