Subtract 42/56 from 10/25
10/25 - 42/56 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 25 × 56 = 1400,
10/25 = 10 × 56/25 × 56 = 560/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
42/56 = 42 × 25/56 × 25 = 1050/1400 - Subtract the two like fractions:
560/1400 - 1050/1400 = 560 - 1050/1400 = -490/1400 - After reducing the fraction, the answer is -7/20
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