Answers

Add 20/84 and 54/9

1^st number: 20/84, 2^nd number: 6 0/9

20/84 + 54/9 is 131/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 9 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   20/84 = 20 × 3/84 × 3 = 60/252
3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
   54/9 = 54 × 28/9 × 28 = 1512/252
4. Add the two like fractions:
   60/252 + 1512/252 = 60 + 1512/252 = 1572/252
5. 1572/252 simplified gives 131/21
6. So, 20/84 + 54/9 = 131/21
   In mixed form: 65/21

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