Add 40/18 and 15/3
1st number: 2 4/18, 2nd number: 5 0/3
40/18 + 15/3 is 65/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
40/18 = 40 × 1/18 × 1 = 40/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
15/3 = 15 × 6/3 × 6 = 90/18 - Add the two like fractions:
40/18 + 90/18 = 40 + 90/18 = 130/18 - 130/18 simplified gives 65/9
- So, 40/18 + 15/3 = 65/9
In mixed form: 72/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+15/3 40/18+30/3 40/36+15/3 40/18+15/6 40/18+45/3 40/54+15/3 40/18+15/9 40/18+75/3 40/90+15/3 40/18+15/21