Answers

Add 70/15 and 35/42

1^st number: 4 10/15, 2^nd number: 35/42

70/15 + 35/42 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   70/15 = 70 × 14/15 × 14 = 980/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   35/42 = 35 × 5/42 × 5 = 175/210
4. Add the two like fractions:
   980/210 + 175/210 = 980 + 175/210 = 1155/210
5. 1155/210 simplified gives 11/2
6. So, 70/15 + 35/42 = 11/2
   In mixed form: 51/2

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