Subtract 42/9 from 7/64
1st number: 7/64, 2nd number: 4 6/9
7/64 - 42/9 is -875/192.
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,
42/9 = 42 × 64/9 × 64 = 2688/576 - Subtract the two like fractions:
63/576 - 2688/576 = 63 - 2688/576 = -2625/576 - After reducing the fraction, the answer is -875/192
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