Subtract 21/9 from 7/64
1st number: 7/64, 2nd number: 2 3/9
7/64 - 21/9 is -427/192.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
7/64 = 7 × 9/64 × 9 = 63/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
21/9 = 21 × 64/9 × 64 = 1344/576 - Subtract the two like fractions:
63/576 - 1344/576 = 63 - 1344/576 = -1281/576 - After reducing the fraction, the answer is -427/192
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