Answers

Add 54/42 and 98/81

1^st number: 1 12/42, 2^nd number: 1 17/81

54/42 + 98/81 is 1415/567.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 81 is 1134
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1134
2. For the 1st fraction, since 42 × 27 = 1134,
   54/42 = 54 × 27/42 × 27 = 1458/1134
3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
   98/81 = 98 × 14/81 × 14 = 1372/1134
4. Add the two like fractions:
   1458/1134 + 1372/1134 = 1458 + 1372/1134 = 2830/1134
5. 2830/1134 simplified gives 1415/567
6. So, 54/42 + 98/81 = 1415/567
   In mixed form: 2281/567

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