Answers

Add 6/84 and 4/63

6/84 + 4/63 is 17/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   6/84 = 6 × 3/84 × 3 = 18/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   4/63 = 4 × 4/63 × 4 = 16/252
4. Add the two like fractions:
   18/252 + 16/252 = 18 + 16/252 = 34/252
5. 34/252 simplified gives 17/126
6. So, 6/84 + 4/63 = 17/126

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