Subtract 9/20 from 6/32
6/32 - 9/20 is -21/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
6/32 = 6 × 5/32 × 5 = 30/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
9/20 = 9 × 8/20 × 8 = 72/160 - Subtract the two like fractions:
30/160 - 72/160 = 30 - 72/160 = -42/160 - After reducing the fraction, the answer is -21/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/32-9/20 6/32-18/20 6/64-9/20 6/32-9/40 18/32-9/20 6/32-27/20 6/96-9/20 6/32-9/60 30/32-9/20 6/32-45/20 42/32-9/20 6/32-63/20