Add 36/9 and 54/12
1st number: 4 0/9, 2nd number: 4 6/12
36/9 + 54/12 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
36/9 = 36 × 4/9 × 4 = 144/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
54/12 = 54 × 3/12 × 3 = 162/36 - Add the two like fractions:
144/36 + 162/36 = 144 + 162/36 = 306/36 - 306/36 simplified gives 17/2
- So, 36/9 + 54/12 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+54/12 36/18+54/12 36/9+54/24 36/27+54/12 36/9+54/36 36/45+54/12 36/9+54/60 36/63+54/12 36/9+54/84