Subtract 21/56 from 42/28
1st number: 1 14/28, 2nd number: 21/56
42/28 - 21/56 is 9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
42/28 = 42 × 2/28 × 2 = 84/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Subtract the two like fractions:
84/56 - 21/56 = 84 - 21/56 = 63/56 - After reducing the fraction, the answer is 9/8
- In mixed form: 11/8
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