Add 9/12 and 30/5
1st number: 9/12, 2nd number: 6 0/5
9/12 + 30/5 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
9/12 = 9 × 5/12 × 5 = 45/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
30/5 = 30 × 12/5 × 12 = 360/60 - Add the two like fractions:
45/60 + 360/60 = 45 + 360/60 = 405/60 - 405/60 simplified gives 27/4
- So, 9/12 + 30/5 = 27/4
In mixed form: 63/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+30/5 9/12+60/5 9/24+30/5 9/12+30/10 27/12+30/5 9/12+90/5 9/36+30/5 9/12+30/15 45/12+30/5 9/60+30/5 9/12+30/25 63/12+30/5 9/84+30/5 9/12+30/35