Add 54/12 and 9/4
1st number: 4 6/12, 2nd number: 2 1/4
54/12 + 9/4 is 27/4.
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,
54/12 = 54 × 1/12 × 1 = 54/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
9/4 = 9 × 3/4 × 3 = 27/12 - Add the two like fractions:
54/12 + 27/12 = 54 + 27/12 = 81/12 - 81/12 simplified gives 27/4
- So, 54/12 + 9/4 = 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: 54/12+18/4 54/24+9/4 54/12+9/8 54/12+27/4 54/36+9/4 54/12+9/12 54/12+45/4 54/60+9/4 54/12+9/20 54/12+63/4 54/84+9/4 54/12+9/28