Answers

Add 80/70 and 28/27

1^st number: 1 10/70, 2^nd number: 1 1/27

80/70 + 28/27 is 412/189.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 27 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 70 × 27 = 1890,
   80/70 = 80 × 27/70 × 27 = 2160/1890
3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
   28/27 = 28 × 70/27 × 70 = 1960/1890
4. Add the two like fractions:
   2160/1890 + 1960/1890 = 2160 + 1960/1890 = 4120/1890
5. 4120/1890 simplified gives 412/189
6. So, 80/70 + 28/27 = 412/189
   In mixed form: 234/189

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