Answers

Add 84/50 and 30/21

1^st number: 1 34/50, 2^nd number: 1 9/21

84/50 + 30/21 is 544/175.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 21 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   84/50 = 84 × 21/50 × 21 = 1764/1050
3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
   30/21 = 30 × 50/21 × 50 = 1500/1050
4. Add the two like fractions:
   1764/1050 + 1500/1050 = 1764 + 1500/1050 = 3264/1050
5. 3264/1050 simplified gives 544/175
6. So, 84/50 + 30/21 = 544/175
   In mixed form: 319/175

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