Answers

Add 15/75 and 70/42

1^st number: 15/75, 2^nd number: 1 28/42

15/75 + 70/42 is 28/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 42 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 75 × 14 = 1050,
   15/75 = 15 × 14/75 × 14 = 210/1050
3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
   70/42 = 70 × 25/42 × 25 = 1750/1050
4. Add the two like fractions:
   210/1050 + 1750/1050 = 210 + 1750/1050 = 1960/1050
5. 1960/1050 simplified gives 28/15
6. So, 15/75 + 70/42 = 28/15
   In mixed form: 113/15

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