Add 28/9 and 36/90
1st number: 3 1/9, 2nd number: 36/90
28/9 + 36/90 is 158/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
28/9 = 28 × 10/9 × 10 = 280/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
36/90 = 36 × 1/90 × 1 = 36/90 - Add the two like fractions:
280/90 + 36/90 = 280 + 36/90 = 316/90 - 316/90 simplified gives 158/45
- So, 28/9 + 36/90 = 158/45
In mixed form: 323/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+36/90 28/9+72/90 28/18+36/90 84/9+36/90 28/27+36/90 28/45+36/90 28/63+36/90