Add 4/12 and 9/5
1st number: 4/12, 2nd number: 1 4/5
4/12 + 9/5 is 32/15.
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,
4/12 = 4 × 5/12 × 5 = 20/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
9/5 = 9 × 12/5 × 12 = 108/60 - Add the two like fractions:
20/60 + 108/60 = 20 + 108/60 = 128/60 - 128/60 simplified gives 32/15
- So, 4/12 + 9/5 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+9/5 4/12+18/5 4/24+9/5 4/12+9/10 4/12+27/5 4/36+9/5 4/12+9/15 20/12+9/5 4/12+45/5 4/60+9/5 4/12+9/25 28/12+9/5 4/12+63/5 4/84+9/5 4/12+9/35