Answers

Add 9/63 and 3/7

9/63 + 3/7 is 4/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   9/63 = 9 × 1/63 × 1 = 9/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   3/7 = 3 × 9/7 × 9 = 27/63
4. Add the two like fractions:
   9/63 + 27/63 = 9 + 27/63 = 36/63
5. 36/63 simplified gives 4/7
6. So, 9/63 + 3/7 = 4/7

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