Subtract 7/54 from 15/25
15/25 - 7/54 is 127/270.
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,
7/54 = 7 × 25/54 × 25 = 175/1350 - Subtract the two like fractions:
810/1350 - 175/1350 = 810 - 175/1350 = 635/1350 - After reducing the fraction, the answer is 127/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25-7/54 15/25-14/54 15/50-7/54 45/25-7/54 15/25-21/54 15/75-7/54 75/25-7/54 15/25-35/54 15/25-49/54