Subtract 20/48 from 3/56
3/56 - 20/48 is -61/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 56 × 6 = 336,
3/56 = 3 × 6/56 × 6 = 18/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
20/48 = 20 × 7/48 × 7 = 140/336 - Subtract the two like fractions:
18/336 - 140/336 = 18 - 140/336 = -122/336 - After reducing the fraction, the answer is -61/168
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