Answers

Add 90/54 and 45/4

1^st number: 1 36/54, 2^nd number: 11 1/4

90/54 + 45/4 is 155/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 4 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   90/54 = 90 × 2/54 × 2 = 180/108
3. Likewise, for the 2nd fraction, since 4 × 27 = 108,
   45/4 = 45 × 27/4 × 27 = 1215/108
4. Add the two like fractions:
   180/108 + 1215/108 = 180 + 1215/108 = 1395/108
5. 1395/108 simplified gives 155/12
6. So, 90/54 + 45/4 = 155/12
   In mixed form: 1211/12

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