Subtract 25/56 from 20/84
20/84 - 25/56 is -5/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
20/84 = 20 × 2/84 × 2 = 40/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
25/56 = 25 × 3/56 × 3 = 75/168 - Subtract the two like fractions:
40/168 - 75/168 = 40 - 75/168 = -35/168 - After reducing the fraction, the answer is -5/24
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