Add 27/36 and 27/15
1st number: 27/36, 2nd number: 1 12/15
27/36 + 27/15 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
27/36 = 27 × 5/36 × 5 = 135/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
27/15 = 27 × 12/15 × 12 = 324/180 - Add the two like fractions:
135/180 + 324/180 = 135 + 324/180 = 459/180 - 459/180 simplified gives 51/20
- So, 27/36 + 27/15 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+27/15 27/36+54/15 27/72+27/15 27/36+27/30 81/36+27/15 27/36+81/15 27/36+27/45 27/36+27/75