Subtract 14/56 from 4/21
4/21 - 14/56 is -5/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
4/21 = 4 × 8/21 × 8 = 32/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
14/56 = 14 × 3/56 × 3 = 42/168 - Subtract the two like fractions:
32/168 - 42/168 = 32 - 42/168 = -10/168 - After reducing the fraction, the answer is -5/84
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