Answers

Add 4/81 and 45/98

4/81 + 45/98 is 4037/7938.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 98 is 7938
   
   Next, find the equivalent fraction of both fractional numbers with denominator 7938
2. For the 1st fraction, since 81 × 98 = 7938,
   4/81 = 4 × 98/81 × 98 = 392/7938
3. Likewise, for the 2nd fraction, since 98 × 81 = 7938,
   45/98 = 45 × 81/98 × 81 = 3645/7938
4. Add the two like fractions:
   392/7938 + 3645/7938 = 392 + 3645/7938 = 4037/7938
5. So, 4/81 + 45/98 = 4037/7938

MathStep (Works offline)

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

Related: ⁸/₈₁+⁴⁵/₉₈ ⁴/₈₁+⁹⁰/₉₈ ¹²/₈₁+⁴⁵/₉₈ ²⁰/₈₁+⁴⁵/₉₈ ²⁸/₈₁+⁴⁵/₉₈

Add Fractions Calculator