Add 18/60 and 60/9
1st number: 18/60, 2nd number: 6 6/9
18/60 + 60/9 is 209/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
60/9 = 60 × 20/9 × 20 = 1200/180 - Add the two like fractions:
54/180 + 1200/180 = 54 + 1200/180 = 1254/180 - 1254/180 simplified gives 209/30
- So, 18/60 + 60/9 = 209/30
In mixed form: 629/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+60/9 18/60+60/18 54/60+60/9 18/60+60/27 90/60+60/9 18/60+60/45 18/60+60/63