Answers

Add 8/42 and 7/63

8/42 + 7/63 is 19/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   8/42 = 8 × 3/42 × 3 = 24/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   7/63 = 7 × 2/63 × 2 = 14/126
4. Add the two like fractions:
   24/126 + 14/126 = 24 + 14/126 = 38/126
5. 38/126 simplified gives 19/63
6. So, 8/42 + 7/63 = 19/63

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