Add 60/9 and 20/18
1st number: 6 6/9, 2nd number: 1 2/18
60/9 + 20/18 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
60/9 = 60 × 2/9 × 2 = 120/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
20/18 = 20 × 1/18 × 1 = 20/18 - Add the two like fractions:
120/18 + 20/18 = 120 + 20/18 = 140/18 - 140/18 simplified gives 70/9
- So, 60/9 + 20/18 = 70/9
In mixed form: 77/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+40/18 60/18+20/18 60/9+20/36 60/9+60/18 60/27+20/18 60/9+20/54 60/45+20/18 60/9+20/90 60/63+20/18