Answers

Add 72/36 and 30/15

1^st number: 2 0/36, 2^nd number: 2 0/15

72/36 + 30/15 is 4/1.

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,
   72/36 = 72 × 5/36 × 5 = 360/180
3. Likewise, for the 2nd fraction, since 15 × 12 = 180,
   30/15 = 30 × 12/15 × 12 = 360/180
4. Add the two like fractions:
   360/180 + 360/180 = 360 + 360/180 = 720/180
5. 720/180 simplified gives 4/1
6. So, 72/36 + 30/15 = 4/1

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