Subtract 20/50 from 12/56
12/56 - 20/50 is -13/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
12/56 = 12 × 25/56 × 25 = 300/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
20/50 = 20 × 28/50 × 28 = 560/1400 - Subtract the two like fractions:
300/1400 - 560/1400 = 300 - 560/1400 = -260/1400 - After reducing the fraction, the answer is -13/70
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