Add 6/18 and 84/45
1st number: 6/18, 2nd number: 1 39/45
6/18 + 84/45 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Add the two like fractions:
30/90 + 168/90 = 30 + 168/90 = 198/90 - 198/90 simplified gives 11/5
- So, 6/18 + 84/45 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+84/45 6/36+84/45 6/18+84/90 6/54+84/45 30/18+84/45 6/90+84/45 42/18+84/45