Answers

Add 90/8 and 45/54

1^st number: 11 2/8, 2^nd number: 45/54

90/8 + 45/54 is 145/12.

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,
   45/54 = 45 × 4/54 × 4 = 180/216
4. Add the two like fractions:
   2430/216 + 180/216 = 2430 + 180/216 = 2610/216
5. 2610/216 simplified gives 145/12
6. So, 90/8 + 45/54 = 145/12
   In mixed form: 121/12

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