Subtract 49/54 from 10/18
10/18 - 49/54 is -19/54.
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,
10/18 = 10 × 3/18 × 3 = 30/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
49/54 = 49 × 1/54 × 1 = 49/54 - Subtract the two like fractions:
30/54 - 49/54 = 30 - 49/54 = -19/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-49/54 10/18-98/54 10/36-49/54 30/18-49/54 10/54-49/54 50/18-49/54 10/90-49/54 70/18-49/54