Subtract 7/27 from 5/18
5/18 - 7/27 is 1/54.
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,
5/18 = 5 × 3/18 × 3 = 15/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
7/27 = 7 × 2/27 × 2 = 14/54 - Subtract the two like fractions:
15/54 - 14/54 = 15 - 14/54 = 1/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-7/27 5/18-14/27 5/36-7/27 5/18-7/54 15/18-7/27 5/18-21/27 5/54-7/27 5/18-7/81 25/18-7/27 5/18-35/27 5/90-7/27 35/18-7/27 5/18-49/27