Add 15/3 and 45/4
1st number: 5 0/3, 2nd number: 11 1/4
15/3 + 45/4 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
15/3 = 15 × 4/3 × 4 = 60/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
45/4 = 45 × 3/4 × 3 = 135/12 - Add the two like fractions:
60/12 + 135/12 = 60 + 135/12 = 195/12 - 195/12 simplified gives 65/4
- So, 15/3 + 45/4 = 65/4
In mixed form: 161/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+45/4 15/3+90/4 15/6+45/4 15/3+45/8 45/3+45/4 15/9+45/4 15/3+45/12 75/3+45/4 15/3+45/20 15/21+45/4 15/3+45/28