Add 18/9 and 16/30
1st number: 2 0/9, 2nd number: 16/30
18/9 + 16/30 is 38/15.
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,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
16/30 = 16 × 3/30 × 3 = 48/90 - Add the two like fractions:
180/90 + 48/90 = 180 + 48/90 = 228/90 - 228/90 simplified gives 38/15
- So, 18/9 + 16/30 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+16/30 18/9+32/30 18/9+16/60 54/9+16/30 18/9+48/30 18/27+16/30 18/9+16/90 90/9+16/30 18/9+80/30 18/45+16/30 18/63+16/30