Answers

Add 84/70 and 35/12

1^st number: 1 14/70, 2^nd number: 2 11/12

84/70 + 35/12 is 247/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 12 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   84/70 = 84 × 6/70 × 6 = 504/420
3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
   35/12 = 35 × 35/12 × 35 = 1225/420
4. Add the two like fractions:
   504/420 + 1225/420 = 504 + 1225/420 = 1729/420
5. 1729/420 simplified gives 247/60
6. So, 84/70 + 35/12 = 247/60
   In mixed form: 47/60

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