Subtract 20/12 from 6/16
1st number: 6/16, 2nd number: 1 8/12
6/16 - 20/12 is -31/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
6/16 = 6 × 3/16 × 3 = 18/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
20/12 = 20 × 4/12 × 4 = 80/48 - Subtract the two like fractions:
18/48 - 80/48 = 18 - 80/48 = -62/48 - After reducing the fraction, the answer is -31/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16-20/12 6/16-40/12 6/32-20/12 6/16-20/24 18/16-20/12 6/16-60/12 6/48-20/12 6/16-20/36 30/16-20/12 6/80-20/12 6/16-20/60 42/16-20/12 6/16-20/84