Subtract 60/54 from 15/18
1st number: 15/18, 2nd number: 1 6/54
15/18 - 60/54 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
15/18 = 15 × 3/18 × 3 = 45/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
60/54 = 60 × 1/54 × 1 = 60/54 - Subtract the two like fractions:
45/54 - 60/54 = 45 - 60/54 = -15/54 - After reducing the fraction, the answer is -5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18-60/54 15/36-60/54 45/18-60/54 15/54-60/54 75/18-60/54 15/90-60/54