Add 15/6 and 45/18
1st number: 2 3/6, 2nd number: 2 9/18
15/6 + 45/18 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
15/6 = 15 × 3/6 × 3 = 45/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
45/18 = 45 × 1/18 × 1 = 45/18 - Add the two like fractions:
45/18 + 45/18 = 45 + 45/18 = 90/18 - 90/18 simplified gives 5/1
- So, 15/6 + 45/18 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6+45/18 15/6+90/18 15/12+45/18 15/6+45/36 45/6+45/18 15/18+45/18 15/6+45/54 75/6+45/18 15/30+45/18 15/6+45/90 15/42+45/18