Answers

Add 50/81 and 84/20

1^st number: 50/81, 2^nd number: 4 4/20

50/81 + 84/20 is 1951/405.

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,
   50/81 = 50 × 20/81 × 20 = 1000/1620
3. Likewise, for the 2nd fraction, since 20 × 81 = 1620,
   84/20 = 84 × 81/20 × 81 = 6804/1620
4. Add the two like fractions:
   1000/1620 + 6804/1620 = 1000 + 6804/1620 = 7804/1620
5. 7804/1620 simplified gives 1951/405
6. So, 50/81 + 84/20 = 1951/405
   In mixed form: 4331/405

MathStep (Works offline)

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

Related: ⁵⁰/₈₁+⁸⁴/₄₀ ⁵⁰/₈₁+⁸⁴/₆₀

Add Fractions Calculator