Answers

Add 80/36 and 3/70

1^st number: 2 8/36, 2^nd number: 3/70

80/36 + 3/70 is 1427/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 70 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 36 × 35 = 1260,
   80/36 = 80 × 35/36 × 35 = 2800/1260
3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
   3/70 = 3 × 18/70 × 18 = 54/1260
4. Add the two like fractions:
   2800/1260 + 54/1260 = 2800 + 54/1260 = 2854/1260
5. 2854/1260 simplified gives 1427/630
6. So, 80/36 + 3/70 = 1427/630
   In mixed form: 2167/630

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