Subtract 80/54 from 15/20
1st number: 15/20, 2nd number: 1 26/54
15/20 - 80/54 is -79/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
15/20 = 15 × 27/20 × 27 = 405/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
80/54 = 80 × 10/54 × 10 = 800/540 - Subtract the two like fractions:
405/540 - 800/540 = 405 - 800/540 = -395/540 - After reducing the fraction, the answer is -79/108
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