Add 18/15 and 2/18
1st number: 1 3/15, 2nd number: 2/18
18/15 + 2/18 is 59/45.
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,
18/15 = 18 × 6/15 × 6 = 108/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Add the two like fractions:
108/90 + 10/90 = 108 + 10/90 = 118/90 - 118/90 simplified gives 59/45
- So, 18/15 + 2/18 = 59/45
In mixed form: 114/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+2/18 18/15+4/18 18/30+2/18 18/15+2/36 54/15+2/18 18/15+6/18 18/45+2/18 18/15+2/54 90/15+2/18 18/15+10/18 18/75+2/18 18/15+2/90 18/15+14/18