Add 54/12 and 30/9
1st number: 4 6/12, 2nd number: 3 3/9
54/12 + 30/9 is 47/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
54/12 = 54 × 3/12 × 3 = 162/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
30/9 = 30 × 4/9 × 4 = 120/36 - Add the two like fractions:
162/36 + 120/36 = 162 + 120/36 = 282/36 - 282/36 simplified gives 47/6
- So, 54/12 + 30/9 = 47/6
In mixed form: 75/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+60/9 54/24+30/9 54/12+30/18 54/12+90/9 54/36+30/9 54/12+30/27 54/60+30/9 54/12+30/45 54/84+30/9 54/12+30/63