Answers

Add 90/81 and 48/8

1^st number: 1 9/81, 2^nd number: 6 0/8

90/81 + 48/8 is 64/9.

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,
   90/81 = 90 × 8/81 × 8 = 720/648
3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
   48/8 = 48 × 81/8 × 81 = 3888/648
4. Add the two like fractions:
   720/648 + 3888/648 = 720 + 3888/648 = 4608/648
5. 4608/648 simplified gives 64/9
6. So, 90/81 + 48/8 = 64/9
   In mixed form: 71/9

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