Answers

Add 90/81 and 90/4

1^st number: 1 9/81, 2^nd number: 22 2/4

90/81 + 90/4 is 425/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 4 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   90/81 = 90 × 4/81 × 4 = 360/324
3. Likewise, for the 2nd fraction, since 4 × 81 = 324,
   90/4 = 90 × 81/4 × 81 = 7290/324
4. Add the two like fractions:
   360/324 + 7290/324 = 360 + 7290/324 = 7650/324
5. 7650/324 simplified gives 425/18
6. So, 90/81 + 90/4 = 425/18
   In mixed form: 2311/18

MathStep (Works offline)

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

Related: ⁹⁰/₈₁+⁹⁰/₈ ⁹⁰/₈₁+⁹⁰/₁₂ ⁹⁰/₈₁+⁹⁰/₂₀ ⁹⁰/₈₁+⁹⁰/₂₈

Add Fractions Calculator