Answers

Add 40/98 and 84/81

1^st number: 40/98, 2^nd number: 1 3/81

40/98 + 84/81 is 1912/1323.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 81 is 7938
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7938
2. For the 1st fraction, since 98 × 81 = 7938,
   40/98 = 40 × 81/98 × 81 = 3240/7938
3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
   84/81 = 84 × 98/81 × 98 = 8232/7938
4. Add the two like fractions:
   3240/7938 + 8232/7938 = 3240 + 8232/7938 = 11472/7938
5. 11472/7938 simplified gives 1912/1323
6. So, 40/98 + 84/81 = 1912/1323
   In mixed form: 1589/1323

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁸⁰/₉₈+⁸⁴/₈₁

Add Fractions Calculator