Add 9/12 and 30/4
1st number: 9/12, 2nd number: 7 2/4
9/12 + 30/4 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
9/12 = 9 × 1/12 × 1 = 9/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
30/4 = 30 × 3/4 × 3 = 90/12 - Add the two like fractions:
9/12 + 90/12 = 9 + 90/12 = 99/12 - 99/12 simplified gives 33/4
- So, 9/12 + 30/4 = 33/4
In mixed form: 81/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+30/4 9/12+60/4 9/24+30/4 9/12+30/8 27/12+30/4 9/12+90/4 9/36+30/4 9/12+30/12 45/12+30/4 9/60+30/4 9/12+30/20 63/12+30/4 9/84+30/4 9/12+30/28