Answers

Add 30/42 and 70/35

1^st number: 30/42, 2^nd number: 2 0/35

30/42 + 70/35 is 19/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 35 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   30/42 = 30 × 5/42 × 5 = 150/210
3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
   70/35 = 70 × 6/35 × 6 = 420/210
4. Add the two like fractions:
   150/210 + 420/210 = 150 + 420/210 = 570/210
5. 570/210 simplified gives 19/7
6. So, 30/42 + 70/35 = 19/7
   In mixed form: 25/7

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