Answers

Add 90/18 and 60/84

1^st number: 5 0/18, 2^nd number: 60/84

90/18 + 60/84 is 40/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   90/18 = 90 × 14/18 × 14 = 1260/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   60/84 = 60 × 3/84 × 3 = 180/252
4. Add the two like fractions:
   1260/252 + 180/252 = 1260 + 180/252 = 1440/252
5. 1440/252 simplified gives 40/7
6. So, 90/18 + 60/84 = 40/7
   In mixed form: 55/7

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