Answers

Add 84/70 and 54/42

1^st number: 1 14/70, 2^nd number: 1 12/42

84/70 + 54/42 is 87/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 42 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 42 × 5 = 210,
   54/42 = 54 × 5/42 × 5 = 270/210
4. Add the two like fractions:
   252/210 + 270/210 = 252 + 270/210 = 522/210
5. 522/210 simplified gives 87/35
6. So, 84/70 + 54/42 = 87/35
   In mixed form: 217/35

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