Subtract 15/56 from 21/4
1st number: 5 1/4, 2nd number: 15/56
21/4 - 15/56 is 279/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
21/4 = 21 × 14/4 × 14 = 294/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
15/56 = 15 × 1/56 × 1 = 15/56 - Subtract the two like fractions:
294/56 - 15/56 = 294 - 15/56 = 279/56 - In mixed form: 455/56
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