Answers

Add 90/50 and 84/36

1^st number: 1 40/50, 2^nd number: 2 12/36

90/50 + 84/36 is 62/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 36 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 50 × 18 = 900,
   90/50 = 90 × 18/50 × 18 = 1620/900
3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
   84/36 = 84 × 25/36 × 25 = 2100/900
4. Add the two like fractions:
   1620/900 + 2100/900 = 1620 + 2100/900 = 3720/900
5. 3720/900 simplified gives 62/15
6. So, 90/50 + 84/36 = 62/15
   In mixed form: 42/15

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