Subtract 27/64 from 10/42
10/42 - 27/64 is -247/1344.
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,
10/42 = 10 × 32/42 × 32 = 320/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
27/64 = 27 × 21/64 × 21 = 567/1344 - Subtract the two like fractions:
320/1344 - 567/1344 = 320 - 567/1344 = -247/1344
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