Subtract 63/64 from 21/8
1st number: 2 5/8, 2nd number: 63/64
21/8 - 63/64 is 105/64.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 8 × 8 = 64,
21/8 = 21 × 8/8 × 8 = 168/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
63/64 = 63 × 1/64 × 1 = 63/64 - Subtract the two like fractions:
168/64 - 63/64 = 168 - 63/64 = 105/64 - In mixed form: 141/64
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