Add 3/9 and 90/30
1st number: 3/9, 2nd number: 3 0/30
3/9 + 90/30 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 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 30 × 3 = 90,
90/30 = 90 × 3/30 × 3 = 270/90 - Add the two like fractions:
30/90 + 270/90 = 30 + 270/90 = 300/90 - 300/90 simplified gives 10/3
- So, 3/9 + 90/30 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+90/30 3/18+90/30 3/9+90/60 3/27+90/30 15/9+90/30 3/45+90/30 21/9+90/30 3/63+90/30