Add 3/18 and 1/15
3/18 + 1/15 is 7/30.
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,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
1/15 = 1 × 6/15 × 6 = 6/90 - Add the two like fractions:
15/90 + 6/90 = 15 + 6/90 = 21/90 - 21/90 simplified gives 7/30
- So, 3/18 + 1/15 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+1/15 3/18+2/15 3/36+1/15 3/18+1/30 9/18+1/15 3/18+3/15 3/54+1/15 3/18+1/45 15/18+1/15 3/18+5/15 3/90+1/15 3/18+1/75 21/18+1/15 3/18+7/15