Subtract 3/56 from 21/14
1st number: 1 7/14, 2nd number: 3/56
21/14 - 3/56 is 81/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
21/14 = 21 × 4/14 × 4 = 84/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
3/56 = 3 × 1/56 × 1 = 3/56 - Subtract the two like fractions:
84/56 - 3/56 = 84 - 3/56 = 81/56 - In mixed form: 125/56
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