Subtract 20/24 from 30/56
30/56 - 20/24 is -25/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
30/56 = 30 × 3/56 × 3 = 90/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Subtract the two like fractions:
90/168 - 140/168 = 90 - 140/168 = -50/168 - After reducing the fraction, the answer is -25/84
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