Subtract 64/72 from 21/4
1st number: 5 1/4, 2nd number: 64/72
21/4 - 64/72 is 157/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
21/4 = 21 × 18/4 × 18 = 378/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
64/72 = 64 × 1/72 × 1 = 64/72 - Subtract the two like fractions:
378/72 - 64/72 = 378 - 64/72 = 314/72 - After reducing the fraction, the answer is 157/36
- In mixed form: 413/36
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