Answers

Add 72/24 and 84/20

1^st number: 3 0/24, 2^nd number: 4 4/20

72/24 + 84/20 is 36/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 20 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 24 × 5 = 120,
   72/24 = 72 × 5/24 × 5 = 360/120
3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
   84/20 = 84 × 6/20 × 6 = 504/120
4. Add the two like fractions:
   360/120 + 504/120 = 360 + 504/120 = 864/120
5. 864/120 simplified gives 36/5
6. So, 72/24 + 84/20 = 36/5
   In mixed form: 71/5

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