Add 25/3 and 45/12
1st number: 8 1/3, 2nd number: 3 9/12
25/3 + 45/12 is 145/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
25/3 = 25 × 4/3 × 4 = 100/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
45/12 = 45 × 1/12 × 1 = 45/12 - Add the two like fractions:
100/12 + 45/12 = 100 + 45/12 = 145/12 - So, 25/3 + 45/12 = 145/12
In mixed form: 121/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3+45/12 25/3+90/12 25/6+45/12 25/3+45/24 75/3+45/12 25/9+45/12 25/3+45/36 25/15+45/12 25/3+45/60 25/21+45/12 25/3+45/84