Add 12/3 and 45/75
1st number: 4 0/3, 2nd number: 45/75
12/3 + 45/75 is 23/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
12/3 = 12 × 25/3 × 25 = 300/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
45/75 = 45 × 1/75 × 1 = 45/75 - Add the two like fractions:
300/75 + 45/75 = 300 + 45/75 = 345/75 - 345/75 simplified gives 23/5
- So, 12/3 + 45/75 = 23/5
In mixed form: 43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+45/75 12/3+90/75 12/6+45/75 36/3+45/75 12/9+45/75 60/3+45/75 12/15+45/75 84/3+45/75 12/21+45/75