Answers

Add 70/28 and 12/54

1^st number: 2 14/28, 2^nd number: 12/54

70/28 + 12/54 is 49/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 28 × 27 = 756,
   70/28 = 70 × 27/28 × 27 = 1890/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   12/54 = 12 × 14/54 × 14 = 168/756
4. Add the two like fractions:
   1890/756 + 168/756 = 1890 + 168/756 = 2058/756
5. 2058/756 simplified gives 49/18
6. So, 70/28 + 12/54 = 49/18
   In mixed form: 213/18

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