Answers

Add 70/35 and 90/27

1^st number: 2 0/35, 2^nd number: 3 9/27

70/35 + 90/27 is 16/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 27 is 945
   
   Next, find the equivalent fraction of both fractional numbers with denominator 945
2. For the 1st fraction, since 35 × 27 = 945,
   70/35 = 70 × 27/35 × 27 = 1890/945
3. Likewise, for the 2nd fraction, since 27 × 35 = 945,
   90/27 = 90 × 35/27 × 35 = 3150/945
4. Add the two like fractions:
   1890/945 + 3150/945 = 1890 + 3150/945 = 5040/945
5. 5040/945 simplified gives 16/3
6. So, 70/35 + 90/27 = 16/3
   In mixed form: 51/3

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