Answers

Add 70/30 and 8/42

1^st number: 2 10/30, 2^nd number: 8/42

70/30 + 8/42 is 53/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   70/30 = 70 × 7/30 × 7 = 490/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   8/42 = 8 × 5/42 × 5 = 40/210
4. Add the two like fractions:
   490/210 + 40/210 = 490 + 40/210 = 530/210
5. 530/210 simplified gives 53/21
6. So, 70/30 + 8/42 = 53/21
   In mixed form: 211/21

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