Subtract 15/56 from 32/42
32/42 - 15/56 is 83/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
32/42 = 32 × 4/42 × 4 = 128/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Subtract the two like fractions:
128/168 - 45/168 = 128 - 45/168 = 83/168
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