Subtract 45/8 from 20/3
1st number: 6 2/3, 2nd number: 5 5/8
20/3 - 45/8 is 25/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 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 8 × 3 = 24,
45/8 = 45 × 3/8 × 3 = 135/24 - Subtract the two like fractions:
160/24 - 135/24 = 160 - 135/24 = 25/24 - In mixed form: 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/3-45/8 20/3-90/8 20/6-45/8 20/3-45/16 60/3-45/8 20/9-45/8 20/3-45/24 20/15-45/8 20/3-45/40 20/21-45/8 20/3-45/56