Answers

Add 50/30 and 70/84

1^st number: 1 20/30, 2^nd number: 70/84

50/30 + 70/84 is 5/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   50/30 = 50 × 14/30 × 14 = 700/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
4. Add the two like fractions:
   700/420 + 350/420 = 700 + 350/420 = 1050/420
5. 1050/420 simplified gives 5/2
6. So, 50/30 + 70/84 = 5/2
   In mixed form: 21/2

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