Add 30/10 and 30/9
1st number: 3 0/10, 2nd number: 3 3/9
30/10 + 30/9 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Add the two like fractions:
270/90 + 300/90 = 270 + 300/90 = 570/90 - 570/90 simplified gives 19/3
- So, 30/10 + 30/9 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+30/9 30/10+60/9 30/20+30/9 30/10+30/18 90/10+30/9 30/10+90/9 30/10+30/27 30/50+30/9 30/10+30/45 30/70+30/9 30/10+30/63