Add 3/10 and 15/9
1st number: 3/10, 2nd number: 1 6/9
3/10 + 15/9 is 59/30.
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,
3/10 = 3 × 9/10 × 9 = 27/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
15/9 = 15 × 10/9 × 10 = 150/90 - Add the two like fractions:
27/90 + 150/90 = 27 + 150/90 = 177/90 - 177/90 simplified gives 59/30
- So, 3/10 + 15/9 = 59/30
In mixed form: 129/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+15/9 3/10+30/9 3/20+15/9 3/10+15/18 9/10+15/9 3/10+45/9 3/30+15/9 3/10+15/27 15/10+15/9 3/10+75/9 3/50+15/9 3/10+15/45 21/10+15/9 3/70+15/9 3/10+15/63