Answers

Add 96/81 and 81/20

1^st number: 1 15/81, 2^nd number: 4 1/20

96/81 + 81/20 is 2827/540.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 20 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   96/81 = 96 × 20/81 × 20 = 1920/1620
3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
   81/20 = 81 × 81/20 × 81 = 6561/1620
4. Add the two like fractions:
   1920/1620 + 6561/1620 = 1920 + 6561/1620 = 8481/1620
5. 8481/1620 simplified gives 2827/540
6. So, 96/81 + 81/20 = 2827/540
   In mixed form: 5127/540

MathStep (Works offline)

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

Related: ⁹⁶/₈₁+⁸¹/₄₀ ⁹⁶/₈₁+⁸¹/₆₀

Add Fractions Calculator