Subtract 4/60 from 20/36
20/36 - 4/60 is 22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
4/60 = 4 × 3/60 × 3 = 12/180 - Subtract the two like fractions:
100/180 - 12/180 = 100 - 12/180 = 88/180 - After reducing the fraction, the answer is 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36-4/60 20/36-8/60 20/72-4/60 60/36-4/60 20/36-12/60 20/36-20/60 20/36-28/60