Add 28/4 and 8/9
1st number: 7 0/4, 2nd number: 8/9
28/4 + 8/9 is 71/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 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 9 × 4 = 36,
8/9 = 8 × 4/9 × 4 = 32/36 - Add the two like fractions:
252/36 + 32/36 = 252 + 32/36 = 284/36 - 284/36 simplified gives 71/9
- So, 28/4 + 8/9 = 71/9
In mixed form: 78/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+8/9 28/4+16/9 28/8+8/9 28/4+8/18 84/4+8/9 28/4+24/9 28/12+8/9 28/4+8/27 28/4+40/9 28/20+8/9 28/4+8/45 28/4+56/9 28/4+8/63