Add 60/18 and 30/90
1st number: 3 6/18, 2nd number: 30/90
60/18 + 30/90 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
60/18 = 60 × 5/18 × 5 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Add the two like fractions:
300/90 + 30/90 = 300 + 30/90 = 330/90 - 330/90 simplified gives 11/3
- So, 60/18 + 30/90 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+60/90 60/36+30/90 60/54+30/90 60/90+30/90