Answers

Add 12/63 and 6/9

12/63 + 6/9 is 6/7.

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,
   12/63 = 12 × 1/63 × 1 = 12/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   6/9 = 6 × 7/9 × 7 = 42/63
4. Add the two like fractions:
   12/63 + 42/63 = 12 + 42/63 = 54/63
5. 54/63 simplified gives 6/7
6. So, 12/63 + 6/9 = 6/7

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