Subtract 36/56 from 8/42
8/42 - 36/56 is -19/42.
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,
8/42 = 8 × 4/42 × 4 = 32/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
36/56 = 36 × 3/56 × 3 = 108/168 - Subtract the two like fractions:
32/168 - 108/168 = 32 - 108/168 = -76/168 - After reducing the fraction, the answer is -19/42
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