Subtract 56/60 from 3/54
3/54 - 56/60 is -79/90.
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,
3/54 = 3 × 10/54 × 10 = 30/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
56/60 = 56 × 9/60 × 9 = 504/540 - Subtract the two like fractions:
30/540 - 504/540 = 30 - 504/540 = -474/540 - After reducing the fraction, the answer is -79/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/54-56/60 9/54-56/60 15/54-56/60 21/54-56/60