Add 2/18 and 45/15
1st number: 2/18, 2nd number: 3 0/15
2/18 + 45/15 is 28/9.
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,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
45/15 = 45 × 6/15 × 6 = 270/90 - Add the two like fractions:
10/90 + 270/90 = 10 + 270/90 = 280/90 - 280/90 simplified gives 28/9
- So, 2/18 + 45/15 = 28/9
In mixed form: 31/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18+45/15 2/18+90/15 2/36+45/15 2/18+45/30 6/18+45/15 2/54+45/15 10/18+45/15 2/90+45/15 2/18+45/75 14/18+45/15