Subtract 21/8 from 63/2
1st number: 31 1/2, 2nd number: 2 5/8
63/2 - 21/8 is 231/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
63/2 = 63 × 4/2 × 4 = 252/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
21/8 = 21 × 1/8 × 1 = 21/8 - Subtract the two like fractions:
252/8 - 21/8 = 252 - 21/8 = 231/8 - In mixed form: 287/8
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