Add 28/45 and 6/18
28/45 + 6/18 is 43/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
28/45 = 28 × 2/45 × 2 = 56/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Add the two like fractions:
56/90 + 30/90 = 56 + 30/90 = 86/90 - 86/90 simplified gives 43/45
- So, 28/45 + 6/18 = 43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+6/18 28/45+12/18 28/90+6/18 28/45+6/36 84/45+6/18 28/45+6/54 28/45+30/18 28/45+6/90 28/45+42/18