Answers

Add 90/2 and 42/54

1^st number: 45 0/2, 2^nd number: 42/54

90/2 + 42/54 is 412/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 54 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 2 × 27 = 54,
   90/2 = 90 × 27/2 × 27 = 2430/54
3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
   42/54 = 42 × 1/54 × 1 = 42/54
4. Add the two like fractions:
   2430/54 + 42/54 = 2430 + 42/54 = 2472/54
5. 2472/54 simplified gives 412/9
6. So, 90/2 + 42/54 = 412/9
   In mixed form: 457/9

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