Add 28/4 and 30/18
1st number: 7 0/4, 2nd number: 1 12/18
28/4 + 30/18 is 26/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
28/4 = 28 × 9/4 × 9 = 252/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
30/18 = 30 × 2/18 × 2 = 60/36 - Add the two like fractions:
252/36 + 60/36 = 252 + 60/36 = 312/36 - 312/36 simplified gives 26/3
- So, 28/4 + 30/18 = 26/3
In mixed form: 82/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+30/18 28/4+60/18 28/8+30/18 28/4+30/36 84/4+30/18 28/4+90/18 28/12+30/18 28/4+30/54 28/20+30/18 28/4+30/90