Subtract 40/54 from 60/42
1st number: 1 18/42, 2nd number: 40/54
60/42 - 40/54 is 130/189.
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,
60/42 = 60 × 9/42 × 9 = 540/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
40/54 = 40 × 7/54 × 7 = 280/378 - Subtract the two like fractions:
540/378 - 280/378 = 540 - 280/378 = 260/378 - After reducing the fraction, the answer is 130/189
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