Subtract 7/32 from 15/20
15/20 - 7/32 is 17/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
15/20 = 15 × 8/20 × 8 = 120/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
7/32 = 7 × 5/32 × 5 = 35/160 - Subtract the two like fractions:
120/160 - 35/160 = 120 - 35/160 = 85/160 - After reducing the fraction, the answer is 17/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20-7/32 15/20-14/32 15/40-7/32 15/20-7/64 45/20-7/32 15/20-21/32 15/60-7/32 15/20-7/96 75/20-7/32 15/20-35/32 15/20-49/32