Subtract 21/60 from 2/54
2/54 - 21/60 is -169/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
2/54 = 2 × 10/54 × 10 = 20/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
21/60 = 21 × 9/60 × 9 = 189/540 - Subtract the two like fractions:
20/540 - 189/540 = 20 - 189/540 = -169/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-21/60 2/54-42/60 6/54-21/60 2/54-63/60 10/54-21/60 14/54-21/60