Add 12/45 and 60/9
1st number: 12/45, 2nd number: 6 6/9
12/45 + 60/9 is 104/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
12/45 = 12 × 1/45 × 1 = 12/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
60/9 = 60 × 5/9 × 5 = 300/45 - Add the two like fractions:
12/45 + 300/45 = 12 + 300/45 = 312/45 - 312/45 simplified gives 104/15
- So, 12/45 + 60/9 = 104/15
In mixed form: 614/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/45+60/9 12/90+60/9 12/45+60/18 36/45+60/9 12/45+60/27 60/45+60/9 12/45+60/45 84/45+60/9 12/45+60/63