Answers

Add 63/81 and 70/8

1^st number: 63/81, 2^nd number: 8 6/8

63/81 + 70/8 is 343/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 8 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 81 × 8 = 648,
   63/81 = 63 × 8/81 × 8 = 504/648
3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
   70/8 = 70 × 81/8 × 81 = 5670/648
4. Add the two like fractions:
   504/648 + 5670/648 = 504 + 5670/648 = 6174/648
5. 6174/648 simplified gives 343/36
6. So, 63/81 + 70/8 = 343/36
   In mixed form: 919/36

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