Answers

Add 2/63 and 7/9

2/63 + 7/9 is 17/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   2/63 = 2 × 1/63 × 1 = 2/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   7/9 = 7 × 7/9 × 7 = 49/63
4. Add the two like fractions:
   2/63 + 49/63 = 2 + 49/63 = 51/63
5. 51/63 simplified gives 17/21
6. So, 2/63 + 7/9 = 17/21

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