Answers

Add 90/84 and 2/27

1^st number: 1 6/84, 2^nd number: 2/27

90/84 + 2/27 is 433/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   90/84 = 90 × 9/84 × 9 = 810/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   2/27 = 2 × 28/27 × 28 = 56/756
4. Add the two like fractions:
   810/756 + 56/756 = 810 + 56/756 = 866/756
5. 866/756 simplified gives 433/378
6. So, 90/84 + 2/27 = 433/378
   In mixed form: 155/378

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