Answers

Add 90/36 and 84/15

1^st number: 2 18/36, 2^nd number: 5 9/15

90/36 + 84/15 is 81/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 15 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   90/36 = 90 × 5/36 × 5 = 450/180
3. Likewise, for the 2nd fraction, since 15 × 12 = 180,
   84/15 = 84 × 12/15 × 12 = 1008/180
4. Add the two like fractions:
   450/180 + 1008/180 = 450 + 1008/180 = 1458/180
5. 1458/180 simplified gives 81/10
6. So, 90/36 + 84/15 = 81/10
   In mixed form: 81/10

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