Add 6/30 and 15/9
1st number: 6/30, 2nd number: 1 6/9
6/30 + 15/9 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
6/30 = 6 × 3/30 × 3 = 18/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Add the two like fractions:
18/90 + 150/90 = 18 + 150/90 = 168/90 - 168/90 simplified gives 28/15
- So, 6/30 + 15/9 = 28/15
In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/30+15/9 6/30+30/9 6/60+15/9 6/30+15/18 18/30+15/9 6/30+45/9 6/90+15/9 6/30+15/27 6/30+75/9 6/30+15/45 42/30+15/9 6/30+15/63