Answers

Add 14/42 and 18/63

14/42 + 18/63 is 13/21.

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,
   14/42 = 14 × 3/42 × 3 = 42/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   18/63 = 18 × 2/63 × 2 = 36/126
4. Add the two like fractions:
   42/126 + 36/126 = 42 + 36/126 = 78/126
5. 78/126 simplified gives 13/21
6. So, 14/42 + 18/63 = 13/21

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