Answers

Add 90/72 and 81/32

1^st number: 1 18/72, 2^nd number: 2 17/32

90/72 + 81/32 is 121/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 32 is 288
   
   Next, find the equivalent fraction of both fractional numbers with denominator 288
2. For the 1st fraction, since 72 × 4 = 288,
   90/72 = 90 × 4/72 × 4 = 360/288
3. Likewise, for the 2nd fraction, since 32 × 9 = 288,
   81/32 = 81 × 9/32 × 9 = 729/288
4. Add the two like fractions:
   360/288 + 729/288 = 360 + 729/288 = 1089/288
5. 1089/288 simplified gives 121/32
6. So, 90/72 + 81/32 = 121/32
   In mixed form: 325/32

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