Add 24/81 and 21/36
24/81 + 21/36 is 95/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
24/81 = 24 × 4/81 × 4 = 96/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
21/36 = 21 × 9/36 × 9 = 189/324 - Add the two like fractions:
96/324 + 189/324 = 96 + 189/324 = 285/324 - 285/324 simplified gives 95/108
- So, 24/81 + 21/36 = 95/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/81+21/36 24/81+42/36 24/81+21/72 72/81+21/36 24/81+63/36