Answers

Add 90/96 and 81/72

1^st number: 90/96, 2^nd number: 1 9/72

90/96 + 81/72 is 33/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 96 and 72 is 288
   
   Next, find the equivalent fraction of both fractional numbers with denominator 288
2. For the 1st fraction, since 96 × 3 = 288,
   90/96 = 90 × 3/96 × 3 = 270/288
3. Likewise, for the 2nd fraction, since 72 × 4 = 288,
   81/72 = 81 × 4/72 × 4 = 324/288
4. Add the two like fractions:
   270/288 + 324/288 = 270 + 324/288 = 594/288
5. 594/288 simplified gives 33/16
6. So, 90/96 + 81/72 = 33/16
   In mixed form: 21/16

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