Add 7/3 and 12/45
1st number: 2 1/3, 2nd number: 12/45
7/3 + 12/45 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
7/3 = 7 × 15/3 × 15 = 105/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
12/45 = 12 × 1/45 × 1 = 12/45 - Add the two like fractions:
105/45 + 12/45 = 105 + 12/45 = 117/45 - 117/45 simplified gives 13/5
- So, 7/3 + 12/45 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3+12/45 7/3+24/45 7/6+12/45 7/3+12/90 21/3+12/45 7/3+36/45 7/9+12/45 35/3+12/45 7/3+60/45 7/15+12/45 49/3+12/45 7/3+84/45 7/21+12/45