Add 27/36 and 54/12
1st number: 27/36, 2nd number: 4 6/12
27/36 + 54/12 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
27/36 = 27 × 1/36 × 1 = 27/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
54/12 = 54 × 3/12 × 3 = 162/36 - Add the two like fractions:
27/36 + 162/36 = 27 + 162/36 = 189/36 - 189/36 simplified gives 21/4
- So, 27/36 + 54/12 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+54/12 27/72+54/12 27/36+54/24 81/36+54/12 27/36+54/36 27/36+54/60 27/36+54/84