Answers

Add 84/24 and 16/90

1^st number: 3 12/24, 2^nd number: 16/90

84/24 + 16/90 is 331/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 24 × 15 = 360,
   84/24 = 84 × 15/24 × 15 = 1260/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   16/90 = 16 × 4/90 × 4 = 64/360
4. Add the two like fractions:
   1260/360 + 64/360 = 1260 + 64/360 = 1324/360
5. 1324/360 simplified gives 331/90
6. So, 84/24 + 16/90 = 331/90
   In mixed form: 361/90

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