Add 90/18 and 60/9
1st number: 5 0/18, 2nd number: 6 6/9
90/18 + 60/9 is 35/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
90/18 = 90 × 1/18 × 1 = 90/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
60/9 = 60 × 2/9 × 2 = 120/18 - Add the two like fractions:
90/18 + 120/18 = 90 + 120/18 = 210/18 - 210/18 simplified gives 35/3
- So, 90/18 + 60/9 = 35/3
In mixed form: 112/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+60/9 90/18+60/18 90/54+60/9 90/18+60/27 90/18+60/45 90/18+60/63