Subtract 8/15 from 49/18
1st number: 2 13/18, 2nd number: 8/15
49/18 - 8/15 is 197/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
49/18 = 49 × 5/18 × 5 = 245/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
8/15 = 8 × 6/15 × 6 = 48/90 - Subtract the two like fractions:
245/90 - 48/90 = 245 - 48/90 = 197/90 - In mixed form: 217/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-8/15 49/18-16/15 49/36-8/15 49/18-8/30 49/18-24/15 49/54-8/15 49/18-8/45 49/18-40/15 49/90-8/15 49/18-8/75 49/18-56/15