Answers

Add 70/42 and 45/30

1^st number: 1 28/42, 2^nd number: 1 15/30

70/42 + 45/30 is 19/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   70/42 = 70 × 5/42 × 5 = 350/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   45/30 = 45 × 7/30 × 7 = 315/210
4. Add the two like fractions:
   350/210 + 315/210 = 350 + 315/210 = 665/210
5. 665/210 simplified gives 19/6
6. So, 70/42 + 45/30 = 19/6
   In mixed form: 31/6

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