Subtract 40/3 from 5/20
1st number: 5/20, 2nd number: 13 1/3
5/20 - 40/3 is -157/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
5/20 = 5 × 3/20 × 3 = 15/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
40/3 = 40 × 20/3 × 20 = 800/60 - Subtract the two like fractions:
15/60 - 800/60 = 15 - 800/60 = -785/60 - After reducing the fraction, the answer is -157/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-40/3 5/20-80/3 5/40-40/3 5/20-40/6 15/20-40/3 5/60-40/3 5/20-40/9 25/20-40/3 5/20-40/15 35/20-40/3 5/20-40/21