Subtract 60/42 from 60/64
1st number: 60/64, 2nd number: 1 18/42
60/64 - 60/42 is -55/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 42 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 64 × 21 = 1344,
60/64 = 60 × 21/64 × 21 = 1260/1344 - Likewise, for the 2nd fraction, since 42 × 32 = 1344,
60/42 = 60 × 32/42 × 32 = 1920/1344 - Subtract the two like fractions:
1260/1344 - 1920/1344 = 1260 - 1920/1344 = -660/1344 - After reducing the fraction, the answer is -55/112
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