Answers

Add 70/42 and 40/75

1^st number: 1 28/42, 2^nd number: 40/75

70/42 + 40/75 is 11/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 75 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   70/42 = 70 × 25/42 × 25 = 1750/1050
3. Likewise, for the 2nd fraction, since 75 × 14 = 1050,
   40/75 = 40 × 14/75 × 14 = 560/1050
4. Add the two like fractions:
   1750/1050 + 560/1050 = 1750 + 560/1050 = 2310/1050
5. 2310/1050 simplified gives 11/5
6. So, 70/42 + 40/75 = 11/5
   In mixed form: 21/5

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