Add 8/81 and 54/30
1st number: 8/81, 2nd number: 1 24/30
8/81 + 54/30 is 769/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
8/81 = 8 × 10/81 × 10 = 80/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
54/30 = 54 × 27/30 × 27 = 1458/810 - Add the two like fractions:
80/810 + 1458/810 = 80 + 1458/810 = 1538/810 - 1538/810 simplified gives 769/405
- So, 8/81 + 54/30 = 769/405
In mixed form: 1364/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/81+54/30 8/81+54/60 24/81+54/30 8/81+54/90 40/81+54/30 56/81+54/30