Add 12/9 and 60/20
1st number: 1 3/9, 2nd number: 3 0/20
12/9 + 60/20 is 13/3.
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,
12/9 = 12 × 20/9 × 20 = 240/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
60/20 = 60 × 9/20 × 9 = 540/180 - Add the two like fractions:
240/180 + 540/180 = 240 + 540/180 = 780/180 - 780/180 simplified gives 13/3
- So, 12/9 + 60/20 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+60/20 12/18+60/20 12/9+60/40 36/9+60/20 12/27+60/20 60/9+60/20 12/45+60/20 84/9+60/20 12/63+60/20