Subtract 1/30 from 2/9
2/9 - 1/30 is 17/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
2/9 = 2 × 10/9 × 10 = 20/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
1/30 = 1 × 3/30 × 3 = 3/90 - Subtract the two like fractions:
20/90 - 3/90 = 20 - 3/90 = 17/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-1/30 2/9-2/30 2/18-1/30 2/9-1/60 6/9-1/30 2/9-3/30 2/27-1/30 2/9-1/90 10/9-1/30 2/9-5/30 2/45-1/30 14/9-1/30 2/9-7/30 2/63-1/30