Subtract 32/18 from 2/15
1st number: 2/15, 2nd number: 1 14/18
2/15 - 32/18 is -74/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
2/15 = 2 × 6/15 × 6 = 12/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
32/18 = 32 × 5/18 × 5 = 160/90 - Subtract the two like fractions:
12/90 - 160/90 = 12 - 160/90 = -148/90 - After reducing the fraction, the answer is -74/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15-32/18 2/15-64/18 2/30-32/18 2/15-32/36 6/15-32/18 2/15-96/18 2/45-32/18 2/15-32/54 10/15-32/18 2/75-32/18 2/15-32/90 14/15-32/18