Subtract 28/20 from 3/56
1st number: 3/56, 2nd number: 1 8/20
3/56 - 28/20 is -377/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
28/20 = 28 × 14/20 × 14 = 392/280 - Subtract the two like fractions:
15/280 - 392/280 = 15 - 392/280 = -377/280
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