Subtract 20/36 from 20/10
1st number: 2 0/10, 2nd number: 20/36
20/10 - 20/36 is 13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
20/10 = 20 × 18/10 × 18 = 360/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Subtract the two like fractions:
360/180 - 100/180 = 360 - 100/180 = 260/180 - After reducing the fraction, the answer is 13/9
- In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-20/36 20/10-40/36 20/10-20/72 60/10-20/36 20/10-60/36 20/30-20/36 20/50-20/36 20/70-20/36