Subtract 14/54 from 15/18
15/18 - 14/54 is 31/54.
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,
14/54 = 14 × 1/54 × 1 = 14/54 - Subtract the two like fractions:
45/54 - 14/54 = 45 - 14/54 = 31/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18-14/54 15/18-28/54 15/36-14/54 45/18-14/54 15/18-42/54 15/54-14/54 75/18-14/54 15/18-70/54 15/90-14/54 15/18-98/54