Add 30/81 and 60/24
1st number: 30/81, 2nd number: 2 12/24
30/81 + 60/24 is 155/54.
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,
30/81 = 30 × 8/81 × 8 = 240/648 - Likewise, for the 2nd fraction, since 24 × 27 = 648,
60/24 = 60 × 27/24 × 27 = 1620/648 - Add the two like fractions:
240/648 + 1620/648 = 240 + 1620/648 = 1860/648 - 1860/648 simplified gives 155/54
- So, 30/81 + 60/24 = 155/54
In mixed form: 247/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81+60/24 30/81+60/48 90/81+60/24 30/81+60/72