Subtract 15/56 from 28/20
1st number: 1 8/20, 2nd number: 15/56
28/20 - 15/56 is 317/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
28/20 = 28 × 14/20 × 14 = 392/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Subtract the two like fractions:
392/280 - 75/280 = 392 - 75/280 = 317/280 - In mixed form: 137/280
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