Answers

Add 14/21 and 54/8

1^st number: 14/21, 2^nd number: 6 6/8

14/21 + 54/8 is 89/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   14/21 = 14 × 8/21 × 8 = 112/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   54/8 = 54 × 21/8 × 21 = 1134/168
4. Add the two like fractions:
   112/168 + 1134/168 = 112 + 1134/168 = 1246/168
5. 1246/168 simplified gives 89/12
6. So, 14/21 + 54/8 = 89/12
   In mixed form: 75/12

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