Add 50/18 and 15/45
1st number: 2 14/18, 2nd number: 15/45
50/18 + 15/45 is 28/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
50/18 = 50 × 5/18 × 5 = 250/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
250/90 + 30/90 = 250 + 30/90 = 280/90 - 280/90 simplified gives 28/9
- So, 50/18 + 15/45 = 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: 50/18+30/45 50/36+15/45 50/18+15/90 50/54+15/45 50/18+75/45 50/90+15/45