Subtract 20/25 from 3/56
3/56 - 20/25 is -209/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 25 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
3/56 = 3 × 25/56 × 25 = 75/1400 - Likewise, for the 2nd fraction, since 25 × 56 = 1400,
20/25 = 20 × 56/25 × 56 = 1120/1400 - Subtract the two like fractions:
75/1400 - 1120/1400 = 75 - 1120/1400 = -1045/1400 - After reducing the fraction, the answer is -209/280
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