Answers

Add 15/30 and 70/42

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

15/30 + 70/42 is 13/6.

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,
   15/30 = 15 × 7/30 × 7 = 105/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   70/42 = 70 × 5/42 × 5 = 350/210
4. Add the two like fractions:
   105/210 + 350/210 = 105 + 350/210 = 455/210
5. 455/210 simplified gives 13/6
6. So, 15/30 + 70/42 = 13/6
   In mixed form: 21/6

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