Subtract 30/18 from 1/9
1st number: 1/9, 2nd number: 1 12/18
1/9 - 30/18 is -14/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
1/9 = 1 × 2/9 × 2 = 2/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
30/18 = 30 × 1/18 × 1 = 30/18 - Subtract the two like fractions:
2/18 - 30/18 = 2 - 30/18 = -28/18 - After reducing the fraction, the answer is -14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9-30/18 1/9-60/18 1/18-30/18 1/9-30/36 3/9-30/18 1/9-90/18 1/27-30/18 1/9-30/54 5/9-30/18 1/45-30/18 1/9-30/90 7/9-30/18 1/63-30/18