Answers

Add 84/24 and 42/20

1^st number: 3 12/24, 2^nd number: 2 2/20

84/24 + 42/20 is 28/5.

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,
   84/24 = 84 × 5/24 × 5 = 420/120
3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
   42/20 = 42 × 6/20 × 6 = 252/120
4. Add the two like fractions:
   420/120 + 252/120 = 420 + 252/120 = 672/120
5. 672/120 simplified gives 28/5
6. So, 84/24 + 42/20 = 28/5
   In mixed form: 53/5

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