Subtract 42/14 from 8/56
1st number: 8/56, 2nd number: 3 0/14
8/56 - 42/14 is -20/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
8/56 = 8 × 1/56 × 1 = 8/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
42/14 = 42 × 4/14 × 4 = 168/56 - Subtract the two like fractions:
8/56 - 168/56 = 8 - 168/56 = -160/56 - After reducing the fraction, the answer is -20/7
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