Add 15/9 and 12/4
1st number: 1 6/9, 2nd number: 3 0/4
15/9 + 12/4 is 14/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
15/9 = 15 × 4/9 × 4 = 60/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Add the two like fractions:
60/36 + 108/36 = 60 + 108/36 = 168/36 - 168/36 simplified gives 14/3
- So, 15/9 + 12/4 = 14/3
In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+12/4 15/9+24/4 15/18+12/4 15/9+12/8 45/9+12/4 15/9+36/4 15/27+12/4 75/9+12/4 15/9+60/4 15/45+12/4 15/9+12/20 15/9+84/4 15/63+12/4 15/9+12/28