Subtract 21/60 from 20/2
1st number: 10 0/2, 2nd number: 21/60
20/2 - 21/60 is 193/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
20/2 = 20 × 30/2 × 30 = 600/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Subtract the two like fractions:
600/60 - 21/60 = 600 - 21/60 = 579/60 - After reducing the fraction, the answer is 193/20
- In mixed form: 913/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-21/60 20/2-42/60 20/4-21/60 60/2-21/60 20/2-63/60 20/6-21/60 20/10-21/60 20/14-21/60