Subtract 20/36 from 3/60
3/60 - 20/36 is -91/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
3/60 = 3 × 3/60 × 3 = 9/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Subtract the two like fractions:
9/180 - 100/180 = 9 - 100/180 = -91/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60-20/36 3/60-40/36 3/60-20/72 9/60-20/36 3/60-60/36 15/60-20/36 21/60-20/36