Subtract 21/54 from 6/25
6/25 - 21/54 is -67/450.
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,
6/25 = 6 × 54/25 × 54 = 324/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
21/54 = 21 × 25/54 × 25 = 525/1350 - Subtract the two like fractions:
324/1350 - 525/1350 = 324 - 525/1350 = -201/1350 - After reducing the fraction, the answer is -67/450
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/25-21/54 6/25-42/54 6/50-21/54 18/25-21/54 6/25-63/54 6/75-21/54 30/25-21/54 42/25-21/54