Add 28/4 and 4/18
1st number: 7 0/4, 2nd number: 4/18
28/4 + 4/18 is 65/9.
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,
4/18 = 4 × 2/18 × 2 = 8/36 - Add the two like fractions:
252/36 + 8/36 = 252 + 8/36 = 260/36 - 260/36 simplified gives 65/9
- So, 28/4 + 4/18 = 65/9
In mixed form: 72/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+4/18 28/4+8/18 28/8+4/18 28/4+4/36 84/4+4/18 28/4+12/18 28/12+4/18 28/4+4/54 28/4+20/18 28/20+4/18 28/4+4/90 28/4+28/18