Answers

Add 70/81 and 45/8

1^st number: 70/81, 2^nd number: 5 5/8

70/81 + 45/8 is 4205/648.

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,
   70/81 = 70 × 8/81 × 8 = 560/648
3. Likewise, for the 2nd fraction, since 8 × 81 = 648,
   45/8 = 45 × 81/8 × 81 = 3645/648
4. Add the two like fractions:
   560/648 + 3645/648 = 560 + 3645/648 = 4205/648
5. So, 70/81 + 45/8 = 4205/648
   In mixed form: 6317/648

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