Subtract 2/20 from 12/32
12/32 - 2/20 is 11/40.
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,
12/32 = 12 × 5/32 × 5 = 60/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
2/20 = 2 × 8/20 × 8 = 16/160 - Subtract the two like fractions:
60/160 - 16/160 = 60 - 16/160 = 44/160 - After reducing the fraction, the answer is 11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/32-2/20 12/32-4/20 12/64-2/20 12/32-2/40 36/32-2/20 12/32-6/20 12/96-2/20 12/32-2/60 60/32-2/20 12/32-10/20 84/32-2/20 12/32-14/20