Subtract 3/20 from 10/36
10/36 - 3/20 is 23/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
10/36 = 10 × 5/36 × 5 = 50/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Subtract the two like fractions:
50/180 - 27/180 = 50 - 27/180 = 23/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/36-3/20 10/36-6/20 10/72-3/20 10/36-3/40 30/36-3/20 10/36-9/20 10/36-3/60 50/36-3/20 10/36-15/20 70/36-3/20 10/36-21/20