Subtract 80/10 from 20/2
1st number: 10 0/2, 2nd number: 8 0/10
20/2 - 80/10 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 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 10 × 1 = 10,
80/10 = 80 × 1/10 × 1 = 80/10 - Subtract the two like fractions:
100/10 - 80/10 = 100 - 80/10 = 20/10 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-80/10 20/4-80/10 20/2-80/20 60/2-80/10 20/6-80/10 20/2-80/30 20/10-80/10 20/2-80/50 20/14-80/10 20/2-80/70