Subtract 20/15 from 2/9
1st number: 2/9, 2nd number: 1 5/15
2/9 - 20/15 is -10/9.
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,
20/15 = 20 × 3/15 × 3 = 60/45 - Subtract the two like fractions:
10/45 - 60/45 = 10 - 60/45 = -50/45 - After reducing the fraction, the answer is -10/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9-20/15 2/9-40/15 2/18-20/15 2/9-20/30 6/9-20/15 2/9-60/15 2/27-20/15 2/9-20/45 10/9-20/15 2/45-20/15 2/9-20/75 14/9-20/15 2/63-20/15