Add 28/15 and 50/18
1st number: 1 13/15, 2nd number: 2 14/18
28/15 + 50/18 is 209/45.
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,
28/15 = 28 × 6/15 × 6 = 168/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
50/18 = 50 × 5/18 × 5 = 250/90 - Add the two like fractions:
168/90 + 250/90 = 168 + 250/90 = 418/90 - 418/90 simplified gives 209/45
- So, 28/15 + 50/18 = 209/45
In mixed form: 429/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+50/18 28/30+50/18 28/15+50/36 84/15+50/18 28/45+50/18 28/15+50/54 28/75+50/18 28/15+50/90