Subtract 3/64 from 21/16
1st number: 1 5/16, 2nd number: 3/64
21/16 - 3/64 is 81/64.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 16 × 4 = 64,
21/16 = 21 × 4/16 × 4 = 84/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
3/64 = 3 × 1/64 × 1 = 3/64 - Subtract the two like fractions:
84/64 - 3/64 = 84 - 3/64 = 81/64 - In mixed form: 117/64
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