Answers

Add 90/36 and 81/32

1^st number: 2 18/36, 2^nd number: 2 17/32

90/36 + 81/32 is 161/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 32 is 288
   
   Next, find the equivalent fraction of both fractional numbers with denominator 288
2. For the 1st fraction, since 36 × 8 = 288,
   90/36 = 90 × 8/36 × 8 = 720/288
3. Likewise, for the 2nd fraction, since 32 × 9 = 288,
   81/32 = 81 × 9/32 × 9 = 729/288
4. Add the two like fractions:
   720/288 + 729/288 = 720 + 729/288 = 1449/288
5. 1449/288 simplified gives 161/32
6. So, 90/36 + 81/32 = 161/32
   In mixed form: 51/32

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