Subtract 20/32 from 15/12
1st number: 1 3/12, 2nd number: 20/32
15/12 - 20/32 is 5/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 32 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 12 × 8 = 96,
15/12 = 15 × 8/12 × 8 = 120/96 - Likewise, for the 2nd fraction, since 32 × 3 = 96,
20/32 = 20 × 3/32 × 3 = 60/96 - Subtract the two like fractions:
120/96 - 60/96 = 120 - 60/96 = 60/96 - After reducing the fraction, the answer is 5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12-20/32 15/12-40/32 15/24-20/32 15/12-20/64 45/12-20/32 15/12-60/32 15/36-20/32 15/12-20/96 75/12-20/32 15/60-20/32 15/84-20/32