Answers

Add 30/84 and 50/42

1^st number: 30/84, 2^nd number: 1 8/42

30/84 + 50/42 is 65/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   30/84 = 30 × 1/84 × 1 = 30/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   50/42 = 50 × 2/42 × 2 = 100/84
4. Add the two like fractions:
   30/84 + 100/84 = 30 + 100/84 = 130/84
5. 130/84 simplified gives 65/42
6. So, 30/84 + 50/42 = 65/42
   In mixed form: 123/42

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