Subtract 21/27 from 14/18
14/18 - 21/27 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 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 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Subtract the two like fractions:
42/54 - 42/54 = 42 - 42/54 = 0/54 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18-21/27 14/18-42/27 14/36-21/27 14/18-21/54 42/18-21/27 14/18-63/27 14/54-21/27 14/18-21/81 70/18-21/27 14/90-21/27 98/18-21/27