Answers

Add 2/18 and 8/63

2/18 + 8/63 is 5/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   2/18 = 2 × 7/18 × 7 = 14/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   8/63 = 8 × 2/63 × 2 = 16/126
4. Add the two like fractions:
   14/126 + 16/126 = 14 + 16/126 = 30/126
5. 30/126 simplified gives 5/21
6. So, 2/18 + 8/63 = 5/21

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