Add 5/18 and 10/15
5/18 + 10/15 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
5/18 = 5 × 5/18 × 5 = 25/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
10/15 = 10 × 6/15 × 6 = 60/90 - Add the two like fractions:
25/90 + 60/90 = 25 + 60/90 = 85/90 - 85/90 simplified gives 17/18
- So, 5/18 + 10/15 = 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+10/15 5/18+20/15 5/36+10/15 5/18+10/30 15/18+10/15 5/18+30/15 5/54+10/15 5/18+10/45 25/18+10/15 5/18+50/15 5/90+10/15 5/18+10/75 35/18+10/15 5/18+70/15