Subtract 30/15 from 2/9
1st number: 2/9, 2nd number: 2 0/15
2/9 - 30/15 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
2/9 = 2 × 5/9 × 5 = 10/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
30/15 = 30 × 3/15 × 3 = 90/45 - Subtract the two like fractions:
10/45 - 90/45 = 10 - 90/45 = -80/45 - After reducing the fraction, the answer is -16/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-30/15 2/9-60/15 2/18-30/15 6/9-30/15 2/9-90/15 2/27-30/15 2/9-30/45 10/9-30/15 2/45-30/15 2/9-30/75 14/9-30/15 2/63-30/15