Answers

Add 6/63 and 4/42

6/63 + 4/42 is 4/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   6/63 = 6 × 2/63 × 2 = 12/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   4/42 = 4 × 3/42 × 3 = 12/126
4. Add the two like fractions:
   12/126 + 12/126 = 12 + 12/126 = 24/126
5. 24/126 simplified gives 4/21
6. So, 6/63 + 4/42 = 4/21

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