Subtract 56/5 from 45/54
1st number: 45/54, 2nd number: 11 1/5
45/54 - 56/5 is -311/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
56/5 = 56 × 54/5 × 54 = 3024/270 - Subtract the two like fractions:
225/270 - 3024/270 = 225 - 3024/270 = -2799/270 - After reducing the fraction, the answer is -311/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54-56/5 45/54-56/10 45/54-56/15 45/54-56/25 45/54-56/35