Answers

Add 36/72 and 84/80

1^st number: 36/72, 2^nd number: 1 4/80

36/72 + 84/80 is 31/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 72 × 10 = 720,
   36/72 = 36 × 10/72 × 10 = 360/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   84/80 = 84 × 9/80 × 9 = 756/720
4. Add the two like fractions:
   360/720 + 756/720 = 360 + 756/720 = 1116/720
5. 1116/720 simplified gives 31/20
6. So, 36/72 + 84/80 = 31/20
   In mixed form: 111/20

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