Subtract 4/9 from 5/15
5/15 - 4/9 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
5/15 = 5 × 3/15 × 3 = 15/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
4/9 = 4 × 5/9 × 5 = 20/45 - Subtract the two like fractions:
15/45 - 20/45 = 15 - 20/45 = -5/45 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-4/9 5/15-8/9 5/30-4/9 5/15-4/18 5/15-12/9 5/45-4/9 5/15-4/27 25/15-4/9 5/15-20/9 5/75-4/9 5/15-4/45 35/15-4/9 5/15-28/9 5/15-4/63