Answers

Add 90/28 and 10/84

1^st number: 3 6/28, 2^nd number: 10/84

90/28 + 10/84 is 10/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   90/28 = 90 × 3/28 × 3 = 270/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   10/84 = 10 × 1/84 × 1 = 10/84
4. Add the two like fractions:
   270/84 + 10/84 = 270 + 10/84 = 280/84
5. 280/84 simplified gives 10/3
6. So, 90/28 + 10/84 = 10/3
   In mixed form: 31/3

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