Subtract 80/54 from 15/25
1st number: 15/25, 2nd number: 1 26/54
15/25 - 80/54 is -119/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 25 × 54 = 1350,
15/25 = 15 × 54/25 × 54 = 810/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
80/54 = 80 × 25/54 × 25 = 2000/1350 - Subtract the two like fractions:
810/1350 - 2000/1350 = 810 - 2000/1350 = -1190/1350 - After reducing the fraction, the answer is -119/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25-80/54 15/50-80/54 45/25-80/54 15/75-80/54 75/25-80/54