Add 75/27 and 15/18
1st number: 2 21/27, 2nd number: 15/18
75/27 + 15/18 is 65/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
75/27 = 75 × 2/27 × 2 = 150/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
15/18 = 15 × 3/18 × 3 = 45/54 - Add the two like fractions:
150/54 + 45/54 = 150 + 45/54 = 195/54 - 195/54 simplified gives 65/18
- So, 75/27 + 15/18 = 65/18
In mixed form: 311/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/27+30/18 75/54+15/18 75/27+15/36 75/27+45/18 75/81+15/18 75/27+15/54 75/27+75/18 75/27+15/90