Subtract 32/15 from 10/18
1st number: 10/18, 2nd number: 2 2/15
10/18 - 32/15 is -71/45.
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,
10/18 = 10 × 5/18 × 5 = 50/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
32/15 = 32 × 6/15 × 6 = 192/90 - Subtract the two like fractions:
50/90 - 192/90 = 50 - 192/90 = -142/90 - After reducing the fraction, the answer is -71/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-32/15 10/18-64/15 10/36-32/15 10/18-32/30 30/18-32/15 10/18-96/15 10/54-32/15 10/18-32/45 50/18-32/15 10/90-32/15 10/18-32/75 70/18-32/15