Add 45/3 and 12/9
1st number: 15 0/3, 2nd number: 1 3/9
45/3 + 12/9 is 49/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
45/3 = 45 × 3/3 × 3 = 135/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
12/9 = 12 × 1/9 × 1 = 12/9 - Add the two like fractions:
135/9 + 12/9 = 135 + 12/9 = 147/9 - 147/9 simplified gives 49/3
- So, 45/3 + 12/9 = 49/3
In mixed form: 161/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+12/9 45/3+24/9 45/6+12/9 45/3+12/18 45/3+36/9 45/9+12/9 45/3+12/27 45/3+60/9 45/15+12/9 45/3+12/45 45/3+84/9 45/21+12/9 45/3+12/63