Add 60/9 and 21/12
1st number: 6 6/9, 2nd number: 1 9/12
60/9 + 21/12 is 101/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
60/9 = 60 × 4/9 × 4 = 240/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
21/12 = 21 × 3/12 × 3 = 63/36 - Add the two like fractions:
240/36 + 63/36 = 240 + 63/36 = 303/36 - 303/36 simplified gives 101/12
- So, 60/9 + 21/12 = 101/12
In mixed form: 85/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+42/12 60/18+21/12 60/9+21/24 60/9+63/12 60/27+21/12 60/9+21/36 60/45+21/12 60/9+21/60 60/63+21/12 60/9+21/84