Add 98/10 and 28/81
1st number: 9 8/10, 2nd number: 28/81
98/10 + 28/81 is 4109/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
98/10 = 98 × 81/10 × 81 = 7938/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
28/81 = 28 × 10/81 × 10 = 280/810 - Add the two like fractions:
7938/810 + 280/810 = 7938 + 280/810 = 8218/810 - 8218/810 simplified gives 4109/405
- So, 98/10 + 28/81 = 4109/405
In mixed form: 1059/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10+56/81 98/20+28/81 98/10+84/81 98/30+28/81 98/50+28/81 98/70+28/81