Add 12/9 and 9/60
1st number: 1 3/9, 2nd number: 9/60
12/9 + 9/60 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
12/9 = 12 × 20/9 × 20 = 240/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
9/60 = 9 × 3/60 × 3 = 27/180 - Add the two like fractions:
240/180 + 27/180 = 240 + 27/180 = 267/180 - 267/180 simplified gives 89/60
- So, 12/9 + 9/60 = 89/60
In mixed form: 129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+9/60 12/9+18/60 12/18+9/60 36/9+9/60 12/9+27/60 12/27+9/60 60/9+9/60 12/9+45/60 12/45+9/60 84/9+9/60 12/9+63/60 12/63+9/60