Subtract 80/5 from 20/2
1st number: 10 0/2, 2nd number: 16 0/5
20/2 - 80/5 is -6/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
20/2 = 20 × 5/2 × 5 = 100/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
80/5 = 80 × 2/5 × 2 = 160/10 - Subtract the two like fractions:
100/10 - 160/10 = 100 - 160/10 = -60/10 - After reducing the fraction, the answer is -6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-80/5 20/4-80/5 20/2-80/10 60/2-80/5 20/6-80/5 20/2-80/15 20/10-80/5 20/2-80/25 20/14-80/5 20/2-80/35