Answers

Add 27/36 and 80/20

1^st number: 27/36, 2^nd number: 4 0/20

27/36 + 80/20 is 19/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   27/36 = 27 × 5/36 × 5 = 135/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   80/20 = 80 × 9/20 × 9 = 720/180
4. Add the two like fractions:
   135/180 + 720/180 = 135 + 720/180 = 855/180
5. 855/180 simplified gives 19/4
6. So, 27/36 + 80/20 = 19/4
   In mixed form: 43/4

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