Answers

Add 90/8 and 75/54

1^st number: 11 2/8, 2^nd number: 1 21/54

90/8 + 75/54 is 455/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 8 × 27 = 216,
   90/8 = 90 × 27/8 × 27 = 2430/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   75/54 = 75 × 4/54 × 4 = 300/216
4. Add the two like fractions:
   2430/216 + 300/216 = 2430 + 300/216 = 2730/216
5. 2730/216 simplified gives 455/36
6. So, 90/8 + 75/54 = 455/36
   In mixed form: 1223/36

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