Add 5/81 and 12/24
5/81 + 12/24 is 91/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 24 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
5/81 = 5 × 8/81 × 8 = 40/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
12/24 = 12 × 27/24 × 27 = 324/648 - Add the two like fractions:
40/648 + 324/648 = 40 + 324/648 = 364/648 - 364/648 simplified gives 91/162
- So, 5/81 + 12/24 = 91/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/81+12/24 5/81+12/48 15/81+12/24 5/81+36/24 5/81+12/72 25/81+12/24 5/81+60/24 35/81+12/24 5/81+84/24