Add 60/81 and 9/8
1st number: 60/81, 2nd number: 1 1/8
60/81 + 9/8 is 403/216.
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,
60/81 = 60 × 8/81 × 8 = 480/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
9/8 = 9 × 81/8 × 81 = 729/648 - Add the two like fractions:
480/648 + 729/648 = 480 + 729/648 = 1209/648 - 1209/648 simplified gives 403/216
- So, 60/81 + 9/8 = 403/216
In mixed form: 1187/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/81+18/8 60/81+9/16 60/81+27/8 60/81+9/24 60/81+45/8 60/81+9/40 60/81+63/8 60/81+9/56