Answers

Add 12/63 and 63/84

12/63 + 63/84 is 79/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   12/63 = 12 × 4/63 × 4 = 48/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   63/84 = 63 × 3/84 × 3 = 189/252
4. Add the two like fractions:
   48/252 + 189/252 = 48 + 189/252 = 237/252
5. 237/252 simplified gives 79/84
6. So, 12/63 + 63/84 = 79/84

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