Subtract 7/18 from 2/54
2/54 - 7/18 is -19/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
2/54 = 2 × 1/54 × 1 = 2/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
7/18 = 7 × 3/18 × 3 = 21/54 - Subtract the two like fractions:
2/54 - 21/54 = 2 - 21/54 = -19/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/54-7/18 2/54-14/18 2/54-7/36 6/54-7/18 2/54-21/18 2/54-7/54 10/54-7/18 2/54-35/18 2/54-7/90 14/54-7/18 2/54-49/18