Subtract 63/64 from 6/42
6/42 - 63/64 is -377/448.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 42 × 32 = 1344,
6/42 = 6 × 32/42 × 32 = 192/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
63/64 = 63 × 21/64 × 21 = 1323/1344 - Subtract the two like fractions:
192/1344 - 1323/1344 = 192 - 1323/1344 = -1131/1344 - After reducing the fraction, the answer is -377/448
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