Subtract 80/54 from 27/42
1st number: 27/42, 2nd number: 1 26/54
27/42 - 80/54 is -317/378.
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,
27/42 = 27 × 9/42 × 9 = 243/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
80/54 = 80 × 7/54 × 7 = 560/378 - Subtract the two like fractions:
243/378 - 560/378 = 243 - 560/378 = -317/378
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