Subtract 20/8 from 7/3
1st number: 2 1/3, 2nd number: 2 4/8
7/3 - 20/8 is -1/6.
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,
7/3 = 7 × 8/3 × 8 = 56/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Subtract the two like fractions:
56/24 - 60/24 = 56 - 60/24 = -4/24 - After reducing the fraction, the answer is -1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3-20/8 7/3-40/8 7/6-20/8 7/3-20/16 21/3-20/8 7/3-60/8 7/9-20/8 7/3-20/24 35/3-20/8 7/15-20/8 7/3-20/40 49/3-20/8 7/21-20/8 7/3-20/56