Subtract 20/5 from 20/6
1st number: 3 2/6, 2nd number: 4 0/5
20/6 - 20/5 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
20/6 = 20 × 5/6 × 5 = 100/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
20/5 = 20 × 6/5 × 6 = 120/30 - Subtract the two like fractions:
100/30 - 120/30 = 100 - 120/30 = -20/30 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-20/5 20/6-40/5 20/12-20/5 20/6-20/10 60/6-20/5 20/6-60/5 20/18-20/5 20/6-20/15 20/30-20/5 20/6-20/25 20/42-20/5 20/6-20/35