Answers

Add 84/70 and 49/30

1^st number: 1 14/70, 2^nd number: 1 19/30

84/70 + 49/30 is 17/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   84/70 = 84 × 3/70 × 3 = 252/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   49/30 = 49 × 7/30 × 7 = 343/210
4. Add the two like fractions:
   252/210 + 343/210 = 252 + 343/210 = 595/210
5. 595/210 simplified gives 17/6
6. So, 84/70 + 49/30 = 17/6
   In mixed form: 25/6

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