Subtract 20/24 from 3/16
3/16 - 20/24 is -31/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 24 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
3/16 = 3 × 3/16 × 3 = 9/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
20/24 = 20 × 2/24 × 2 = 40/48 - Subtract the two like fractions:
9/48 - 40/48 = 9 - 40/48 = -31/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16-20/24 3/16-40/24 3/32-20/24 3/16-20/48 9/16-20/24 3/16-60/24 3/48-20/24 3/16-20/72 15/16-20/24 3/80-20/24 21/16-20/24