Answers

Add 72/36 and 45/30

1^st number: 2 0/36, 2^nd number: 1 15/30

72/36 + 45/30 is 7/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 30 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 30 × 6 = 180,
   45/30 = 45 × 6/30 × 6 = 270/180
4. Add the two like fractions:
   360/180 + 270/180 = 360 + 270/180 = 630/180
5. 630/180 simplified gives 7/2
6. So, 72/36 + 45/30 = 7/2
   In mixed form: 31/2

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