Answers

Add 35/70 and 84/4

1^st number: 35/70, 2^nd number: 21 0/4

35/70 + 84/4 is 43/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 4 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   35/70 = 35 × 2/70 × 2 = 70/140
3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
   84/4 = 84 × 35/4 × 35 = 2940/140
4. Add the two like fractions:
   70/140 + 2940/140 = 70 + 2940/140 = 3010/140
5. 3010/140 simplified gives 43/2
6. So, 35/70 + 84/4 = 43/2
   In mixed form: 211/2

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