Answers

Add 72/98 and 48/81

72/98 + 48/81 is 1756/1323.

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,
   72/98 = 72 × 81/98 × 81 = 5832/7938
3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
   48/81 = 48 × 98/81 × 98 = 4704/7938
4. Add the two like fractions:
   5832/7938 + 4704/7938 = 5832 + 4704/7938 = 10536/7938
5. 10536/7938 simplified gives 1756/1323
6. So, 72/98 + 48/81 = 1756/1323
   In mixed form: 1433/1323

MathStep (Works offline)

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

Related: ⁷²/₉₈+⁹⁶/₈₁

Add Fractions Calculator