Answers

Add 70/84 and 15/27

70/84 + 15/27 is 25/18.

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,
   15/27 = 15 × 28/27 × 28 = 420/756
4. Add the two like fractions:
   630/756 + 420/756 = 630 + 420/756 = 1050/756
5. 1050/756 simplified gives 25/18
6. So, 70/84 + 15/27 = 25/18
   In mixed form: 17/18

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