Answers

Add 90/84 and 15/36

1^st number: 1 6/84, 2^nd number: 15/36

90/84 + 15/36 is 125/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 36 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   90/84 = 90 × 3/84 × 3 = 270/252
3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
   15/36 = 15 × 7/36 × 7 = 105/252
4. Add the two like fractions:
   270/252 + 105/252 = 270 + 105/252 = 375/252
5. 375/252 simplified gives 125/84
6. So, 90/84 + 15/36 = 125/84
   In mixed form: 141/84

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