Answers

Add 4/7 and 8/9

4/7 + 8/9 is 92/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 9 is 63
2. For the 1st fraction, since 7 × 9 = 63,
   4/7 = 4 × 9/7 × 9 = 36/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   8/9 = 8 × 7/9 × 7 = 56/63
4. Add the two fractions:
   36/63 + 56/63 = 36 + 56/63 = 92/63
5. In mixed form: 129/63

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