Subtract 40/3 from 20/8
1st number: 2 4/8, 2nd number: 13 1/3
20/8 - 40/3 is -65/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
40/3 = 40 × 8/3 × 8 = 320/24 - Subtract the two like fractions:
60/24 - 320/24 = 60 - 320/24 = -260/24 - After reducing the fraction, the answer is -65/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-40/3 20/8-80/3 20/16-40/3 20/8-40/6 60/8-40/3 20/24-40/3 20/8-40/9 20/40-40/3 20/8-40/15 20/56-40/3 20/8-40/21