Answers

Add 63/84 and 12/14

63/84 + 12/14 is 45/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 14 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   63/84 = 63 × 1/84 × 1 = 63/84
3. Likewise, for the 2nd fraction, since 14 × 6 = 84,
   12/14 = 12 × 6/14 × 6 = 72/84
4. Add the two like fractions:
   63/84 + 72/84 = 63 + 72/84 = 135/84
5. 135/84 simplified gives 45/28
6. So, 63/84 + 12/14 = 45/28
   In mixed form: 117/28

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