Answers

Add 84/20 and 56/12

1^st number: 4 4/20, 2^nd number: 4 8/12

84/20 + 56/12 is 133/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   84/20 = 84 × 3/20 × 3 = 252/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   56/12 = 56 × 5/12 × 5 = 280/60
4. Add the two like fractions:
   252/60 + 280/60 = 252 + 280/60 = 532/60
5. 532/60 simplified gives 133/15
6. So, 84/20 + 56/12 = 133/15
   In mixed form: 813/15

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