Answers

Add 70/84 and 75/5

1^st number: 70/84, 2^nd number: 15 0/5

70/84 + 75/5 is 95/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
   75/5 = 75 × 84/5 × 84 = 6300/420
4. Add the two like fractions:
   350/420 + 6300/420 = 350 + 6300/420 = 6650/420
5. 6650/420 simplified gives 95/6
6. So, 70/84 + 75/5 = 95/6
   In mixed form: 155/6

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