Answers

Add 72/36 and 90/5

1^st number: 2 0/36, 2^nd number: 18 0/5

72/36 + 90/5 is 20/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 5 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   72/36 = 72 × 5/36 × 5 = 360/180
3. Likewise, for the 2nd fraction, since 5 × 36 = 180,
   90/5 = 90 × 36/5 × 36 = 3240/180
4. Add the two like fractions:
   360/180 + 3240/180 = 360 + 3240/180 = 3600/180
5. 3600/180 simplified gives 20/1
6. So, 72/36 + 90/5 = 20/1

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