Answers

Add 81/8 and 70/9

1^st number: 10 1/8, 2^nd number: 7 7/9

81/8 + 70/9 is 1289/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 9 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 8 × 9 = 72,
   81/8 = 81 × 9/8 × 9 = 729/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   70/9 = 70 × 8/9 × 8 = 560/72
4. Add the two like fractions:
   729/72 + 560/72 = 729 + 560/72 = 1289/72
5. So, 81/8 + 70/9 = 1289/72
   In mixed form: 1765/72

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