Subtract 84/64 from 21/4
1st number: 5 1/4, 2nd number: 1 20/64
21/4 - 84/64 is 63/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 4 × 16 = 64,
21/4 = 21 × 16/4 × 16 = 336/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
84/64 = 84 × 1/64 × 1 = 84/64 - Subtract the two like fractions:
336/64 - 84/64 = 336 - 84/64 = 252/64 - After reducing the fraction, the answer is 63/16
- In mixed form: 315/16
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