Subtract 81/24 from 20/3
1st number: 6 2/3, 2nd number: 3 9/24
20/3 - 81/24 is 79/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
20/3 = 20 × 8/3 × 8 = 160/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
81/24 = 81 × 1/24 × 1 = 81/24 - Subtract the two like fractions:
160/24 - 81/24 = 160 - 81/24 = 79/24 - In mixed form: 37/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3-81/24 20/6-81/24 20/3-81/48 60/3-81/24 20/9-81/24 20/3-81/72 20/15-81/24 20/21-81/24