Add 3/9 and 3/90
3/9 + 3/90 is 11/30.
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,
3/9 = 3 × 10/9 × 10 = 30/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Add the two like fractions:
30/90 + 3/90 = 30 + 3/90 = 33/90 - 33/90 simplified gives 11/30
- So, 3/9 + 3/90 = 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+3/90 3/9+6/90 3/18+3/90 3/9+9/90 3/27+3/90 15/9+3/90 3/9+15/90 3/45+3/90 21/9+3/90 3/9+21/90 3/63+3/90