Subtract 35/54 from 21/25
21/25 - 35/54 is 259/1350.
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,
21/25 = 21 × 54/25 × 54 = 1134/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
35/54 = 35 × 25/54 × 25 = 875/1350 - Subtract the two like fractions:
1134/1350 - 875/1350 = 1134 - 875/1350 = 259/1350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25-35/54 21/25-70/54 21/50-35/54 63/25-35/54 21/75-35/54