Answers

Add 90/18 and 45/16

1^st number: 5 0/18, 2^nd number: 2 13/16

90/18 + 45/16 is 125/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 16 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 18 × 8 = 144,
   90/18 = 90 × 8/18 × 8 = 720/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   45/16 = 45 × 9/16 × 9 = 405/144
4. Add the two like fractions:
   720/144 + 405/144 = 720 + 405/144 = 1125/144
5. 1125/144 simplified gives 125/16
6. So, 90/18 + 45/16 = 125/16
   In mixed form: 713/16

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