Subtract 28/14 from 21/56
1st number: 21/56, 2nd number: 2 0/14
21/56 - 28/14 is -13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
28/14 = 28 × 4/14 × 4 = 112/56 - Subtract the two like fractions:
21/56 - 112/56 = 21 - 112/56 = -91/56 - After reducing the fraction, the answer is -13/8
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