Subtract 21/60 from 20/9
1st number: 2 2/9, 2nd number: 21/60
20/9 - 21/60 is 337/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
20/9 = 20 × 20/9 × 20 = 400/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Subtract the two like fractions:
400/180 - 63/180 = 400 - 63/180 = 337/180 - In mixed form: 1157/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9-21/60 20/9-42/60 20/18-21/60 60/9-21/60 20/9-63/60 20/27-21/60 20/45-21/60 20/63-21/60