Add 18/9 and 30/10
1st number: 2 0/9, 2nd number: 3 0/10
18/9 + 30/10 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Add the two like fractions:
180/90 + 270/90 = 180 + 270/90 = 450/90 - 450/90 simplified gives 5/1
- So, 18/9 + 30/10 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+30/10 18/9+60/10 18/9+30/20 54/9+30/10 18/9+90/10 18/27+30/10 90/9+30/10 18/45+30/10 18/9+30/50 18/63+30/10 18/9+30/70