Answers

Add 70/84 and 45/27

1^st number: 70/84, 2^nd number: 1 18/27

70/84 + 45/27 is 5/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   70/84 = 70 × 9/84 × 9 = 630/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   45/27 = 45 × 28/27 × 28 = 1260/756
4. Add the two like fractions:
   630/756 + 1260/756 = 630 + 1260/756 = 1890/756
5. 1890/756 simplified gives 5/2
6. So, 70/84 + 45/27 = 5/2
   In mixed form: 21/2

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