Answers

Add 63/81 and 54/42

1^st number: 63/81, 2^nd number: 1 12/42

63/81 + 54/42 is 130/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 42 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 81 × 14 = 1134,
   63/81 = 63 × 14/81 × 14 = 882/1134
3. Likewise, for the 2nd fraction, since 42 × 27 = 1134,
   54/42 = 54 × 27/42 × 27 = 1458/1134
4. Add the two like fractions:
   882/1134 + 1458/1134 = 882 + 1458/1134 = 2340/1134
5. 2340/1134 simplified gives 130/63
6. So, 63/81 + 54/42 = 130/63
   In mixed form: 24/63

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