Add 10/18 and 45/27
1st number: 10/18, 2nd number: 1 18/27
10/18 + 45/27 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
10/18 = 10 × 3/18 × 3 = 30/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
45/27 = 45 × 2/27 × 2 = 90/54 - Add the two like fractions:
30/54 + 90/54 = 30 + 90/54 = 120/54 - 120/54 simplified gives 20/9
- So, 10/18 + 45/27 = 20/9
In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+45/27 10/18+90/27 10/36+45/27 10/18+45/54 30/18+45/27 10/54+45/27 10/18+45/81 50/18+45/27 10/90+45/27 70/18+45/27