Answers

Add 81/90 and 27/24

1^st number: 81/90, 2^nd number: 1 3/24

81/90 + 27/24 is 81/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 24 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   81/90 = 81 × 4/90 × 4 = 324/360
3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
   27/24 = 27 × 15/24 × 15 = 405/360
4. Add the two like fractions:
   324/360 + 405/360 = 324 + 405/360 = 729/360
5. 729/360 simplified gives 81/40
6. So, 81/90 + 27/24 = 81/40
   In mixed form: 21/40

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