Add 16/81 and 18/10
1st number: 16/81, 2nd number: 1 8/10
16/81 + 18/10 is 809/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
16/81 = 16 × 10/81 × 10 = 160/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
18/10 = 18 × 81/10 × 81 = 1458/810 - Add the two like fractions:
160/810 + 1458/810 = 160 + 1458/810 = 1618/810 - 1618/810 simplified gives 809/405
- So, 16/81 + 18/10 = 809/405
In mixed form: 1404/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/81+18/10 16/81+36/10 16/81+18/20 48/81+18/10 16/81+54/10 16/81+18/30 80/81+18/10 16/81+90/10 16/81+18/50 16/81+18/70