Add 60/9 and 3/20
1st number: 6 6/9, 2nd number: 3/20
60/9 + 3/20 is 409/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
60/9 = 60 × 20/9 × 20 = 1200/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Add the two like fractions:
1200/180 + 27/180 = 1200 + 27/180 = 1227/180 - 1227/180 simplified gives 409/60
- So, 60/9 + 3/20 = 409/60
In mixed form: 649/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+6/20 60/18+3/20 60/9+3/40 60/9+9/20 60/27+3/20 60/9+3/60 60/9+15/20 60/45+3/20 60/9+21/20 60/63+3/20