Subtract 1/9 from 21/60
21/60 - 1/9 is 43/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
1/9 = 1 × 20/9 × 20 = 20/180 - Subtract the two like fractions:
63/180 - 20/180 = 63 - 20/180 = 43/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60-1/9 21/60-2/9 21/60-1/18 63/60-1/9 21/60-3/9 21/60-1/27 21/60-5/9 21/60-1/45 21/60-7/9 21/60-1/63