Answers

Add 8/7 and 6/9

1^st number: 1 1/7, 2^nd number: 6/9

8/7 + 6/9 is 38/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   8/7 = 8 × 9/7 × 9 = 72/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   6/9 = 6 × 7/9 × 7 = 42/63
4. Add the two like fractions:
   72/63 + 42/63 = 72 + 42/63 = 114/63
5. 114/63 simplified gives 38/21
6. So, 8/7 + 6/9 = 38/21
   In mixed form: 117/21

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