Subtract 20/8 from 28/56
1st number: 28/56, 2nd number: 2 4/8
28/56 - 20/8 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
28/56 = 28 × 1/56 × 1 = 28/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
20/8 = 20 × 7/8 × 7 = 140/56 - Subtract the two like fractions:
28/56 - 140/56 = 28 - 140/56 = -112/56 - After reducing the fraction, the answer is -2/1
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