Subtract 12/56 from 21/2
1st number: 10 1/2, 2nd number: 12/56
21/2 - 12/56 is 72/7.
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,
21/2 = 21 × 28/2 × 28 = 588/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
12/56 = 12 × 1/56 × 1 = 12/56 - Subtract the two like fractions:
588/56 - 12/56 = 588 - 12/56 = 576/56 - After reducing the fraction, the answer is 72/7
- In mixed form: 102/7
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