Add 18/81 and 60/8
1st number: 18/81, 2nd number: 7 4/8
18/81 + 60/8 is 139/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
18/81 = 18 × 8/81 × 8 = 144/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
60/8 = 60 × 81/8 × 81 = 4860/648 - Add the two like fractions:
144/648 + 4860/648 = 144 + 4860/648 = 5004/648 - 5004/648 simplified gives 139/18
- So, 18/81 + 60/8 = 139/18
In mixed form: 713/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/81+60/8 18/81+60/16 54/81+60/8 18/81+60/24 90/81+60/8 18/81+60/40 18/81+60/56