Subtract 21/56 from 1/2
1/2 - 21/56 is 1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
1/2 = 1 × 28/2 × 28 = 28/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Subtract the two like fractions:
28/56 - 21/56 = 28 - 21/56 = 7/56 - After reducing the fraction, the answer is 1/8
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