Subtract 20/36 from 8/10
8/10 - 20/36 is 11/45.
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,
8/10 = 8 × 18/10 × 18 = 144/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Subtract the two like fractions:
144/180 - 100/180 = 144 - 100/180 = 44/180 - After reducing the fraction, the answer is 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-20/36 8/10-40/36 8/20-20/36 8/10-20/72 24/10-20/36 8/10-60/36 8/30-20/36 40/10-20/36 8/50-20/36 56/10-20/36 8/70-20/36