Add 4/12 and 9/30
4/12 + 9/30 is 19/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 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 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Add the two like fractions:
20/60 + 18/60 = 20 + 18/60 = 38/60 - 38/60 simplified gives 19/30
- So, 4/12 + 9/30 = 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+9/30 4/12+18/30 4/24+9/30 4/12+9/60 4/12+27/30 4/36+9/30 4/12+9/90 20/12+9/30 4/12+45/30 4/60+9/30 28/12+9/30 4/12+63/30 4/84+9/30