Answers

Add 84/28 and 90/6

1^st number: 3 0/28, 2^nd number: 15 0/6

84/28 + 90/6 is 18/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 6 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   84/28 = 84 × 3/28 × 3 = 252/84
3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
   90/6 = 90 × 14/6 × 14 = 1260/84
4. Add the two like fractions:
   252/84 + 1260/84 = 252 + 1260/84 = 1512/84
5. 1512/84 simplified gives 18/1
6. So, 84/28 + 90/6 = 18/1

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