Subtract 28/49 from 4/12
4/12 - 28/49 is -5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
4/12 = 4 × 49/12 × 49 = 196/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
28/49 = 28 × 12/49 × 12 = 336/588 - Subtract the two like fractions:
196/588 - 336/588 = 196 - 336/588 = -140/588 - After reducing the fraction, the answer is -5/21
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