Subtract 42/70 from 2/56
2/56 - 42/70 is -79/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
2/56 = 2 × 5/56 × 5 = 10/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
42/70 = 42 × 4/70 × 4 = 168/280 - Subtract the two like fractions:
10/280 - 168/280 = 10 - 168/280 = -158/280 - After reducing the fraction, the answer is -79/140
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