Add 28/8 and 5/18
1st number: 3 4/8, 2nd number: 5/18
28/8 + 5/18 is 34/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
5/18 = 5 × 4/18 × 4 = 20/72 - Add the two like fractions:
252/72 + 20/72 = 252 + 20/72 = 272/72 - 272/72 simplified gives 34/9
- So, 28/8 + 5/18 = 34/9
In mixed form: 37/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+5/18 28/8+10/18 28/16+5/18 28/8+5/36 84/8+5/18 28/8+15/18 28/24+5/18 28/8+5/54 28/8+25/18 28/40+5/18 28/8+5/90 28/8+35/18 28/56+5/18