Subtract 2/60 from 21/36
21/36 - 2/60 is 11/20.
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,
21/36 = 21 × 5/36 × 5 = 105/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
2/60 = 2 × 3/60 × 3 = 6/180 - Subtract the two like fractions:
105/180 - 6/180 = 105 - 6/180 = 99/180 - After reducing the fraction, the answer is 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36-2/60 21/36-4/60 21/72-2/60 63/36-2/60 21/36-6/60 21/36-10/60 21/36-14/60