Answers

Add 90/96 and 15/81

90/96 + 15/81 is 485/432.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 81 is 2592
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2592
2. For the 1st fraction, since 96 × 27 = 2592,
   90/96 = 90 × 27/96 × 27 = 2430/2592
3. Likewise, for the 2nd fraction, since 81 × 32 = 2592,
   15/81 = 15 × 32/81 × 32 = 480/2592
4. Add the two like fractions:
   2430/2592 + 480/2592 = 2430 + 480/2592 = 2910/2592
5. 2910/2592 simplified gives 485/432
6. So, 90/96 + 15/81 = 485/432
   In mixed form: 153/432

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