Answers

Add 63/84 and 4/8

63/84 + 4/8 is 5/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   63/84 = 63 × 2/84 × 2 = 126/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   4/8 = 4 × 21/8 × 21 = 84/168
4. Add the two like fractions:
   126/168 + 84/168 = 126 + 84/168 = 210/168
5. 210/168 simplified gives 5/4
6. So, 63/84 + 4/8 = 5/4
   In mixed form: 11/4

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