Subtract 60/54 from 40/42
1st number: 40/42, 2nd number: 1 6/54
40/42 - 60/54 is -10/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
40/42 = 40 × 9/42 × 9 = 360/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
60/54 = 60 × 7/54 × 7 = 420/378 - Subtract the two like fractions:
360/378 - 420/378 = 360 - 420/378 = -60/378 - After reducing the fraction, the answer is -10/63
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