Add 81/36 and 27/10
1st number: 2 9/36, 2nd number: 2 7/10
81/36 + 27/10 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
27/10 = 27 × 18/10 × 18 = 486/180 - Add the two like fractions:
405/180 + 486/180 = 405 + 486/180 = 891/180 - 891/180 simplified gives 99/20
- So, 81/36 + 27/10 = 99/20
In mixed form: 419/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/36+54/10 81/72+27/10 81/36+27/20 81/36+81/10 81/36+27/30 81/36+27/50 81/36+27/70