Answers

Add 84/9 and 70/50

1^st number: 9 3/9, 2^nd number: 1 20/50

84/9 + 70/50 is 161/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 9 × 50 = 450,
   84/9 = 84 × 50/9 × 50 = 4200/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   70/50 = 70 × 9/50 × 9 = 630/450
4. Add the two like fractions:
   4200/450 + 630/450 = 4200 + 630/450 = 4830/450
5. 4830/450 simplified gives 161/15
6. So, 84/9 + 70/50 = 161/15
   In mixed form: 1011/15

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