Add 28/81 and 3/24
28/81 + 3/24 is 305/648.
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,
28/81 = 28 × 8/81 × 8 = 224/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
3/24 = 3 × 27/24 × 27 = 81/648 - Add the two like fractions:
224/648 + 81/648 = 224 + 81/648 = 305/648 - So, 28/81 + 3/24 = 305/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81+3/24 28/81+6/24 28/81+3/48 84/81+3/24 28/81+9/24 28/81+3/72 28/81+15/24 28/81+21/24