Answers

Add 70/7 and 72/27

1^st number: 10 0/7, 2^nd number: 2 18/27

70/7 + 72/27 is 38/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 7 × 27 = 189,
   70/7 = 70 × 27/7 × 27 = 1890/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   72/27 = 72 × 7/27 × 7 = 504/189
4. Add the two like fractions:
   1890/189 + 504/189 = 1890 + 504/189 = 2394/189
5. 2394/189 simplified gives 38/3
6. So, 70/7 + 72/27 = 38/3
   In mixed form: 122/3

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