Answers

Add 27/84 and 63/8

1^st number: 27/84, 2^nd number: 7 7/8

27/84 + 63/8 is 459/56.

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,
   27/84 = 27 × 2/84 × 2 = 54/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   63/8 = 63 × 21/8 × 21 = 1323/168
4. Add the two like fractions:
   54/168 + 1323/168 = 54 + 1323/168 = 1377/168
5. 1377/168 simplified gives 459/56
6. So, 27/84 + 63/8 = 459/56
   In mixed form: 811/56

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