Subtract 20/54 from 14/18
14/18 - 20/54 is 11/27.
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,
14/18 = 14 × 3/18 × 3 = 42/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
20/54 = 20 × 1/54 × 1 = 20/54 - Subtract the two like fractions:
42/54 - 20/54 = 42 - 20/54 = 22/54 - After reducing the fraction, the answer is 11/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-20/54 14/18-40/54 14/36-20/54 42/18-20/54 14/18-60/54 14/54-20/54 70/18-20/54 14/90-20/54 98/18-20/54