Subtract 10/12 from 20/32
20/32 - 10/12 is -5/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 12 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 32 × 3 = 96,
20/32 = 20 × 3/32 × 3 = 60/96 - Likewise, for the 2nd fraction, since 12 × 8 = 96,
10/12 = 10 × 8/12 × 8 = 80/96 - Subtract the two like fractions:
60/96 - 80/96 = 60 - 80/96 = -20/96 - After reducing the fraction, the answer is -5/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/32-10/12 20/32-20/12 20/64-10/12 20/32-10/24 60/32-10/12 20/32-30/12 20/96-10/12 20/32-10/36 20/32-50/12 20/32-10/60 20/32-70/12 20/32-10/84