Answers

Add 9/5 and 50/21

1^st number: 1 4/5, 2^nd number: 2 8/21

9/5 + 50/21 is 439/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 5 × 21 = 105,
   9/5 = 9 × 21/5 × 21 = 189/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   50/21 = 50 × 5/21 × 5 = 250/105
4. Add the two like fractions:
   189/105 + 250/105 = 189 + 250/105 = 439/105
5. So, 9/5 + 50/21 = 439/105
   In mixed form: 419/105

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