Add 4/15 and 15/18
4/15 + 15/18 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
4/15 = 4 × 6/15 × 6 = 24/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
24/90 + 75/90 = 24 + 75/90 = 99/90 - 99/90 simplified gives 11/10
- So, 4/15 + 15/18 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+15/18 4/15+30/18 4/30+15/18 4/15+15/36 12/15+15/18 4/15+45/18 4/45+15/18 4/15+15/54 20/15+15/18 4/15+75/18 4/75+15/18 4/15+15/90 28/15+15/18