Answers

Add 84/21 and 54/9

1^st number: 4 0/21, 2^nd number: 6 0/9

84/21 + 54/9 is 10/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   84/21 = 84 × 3/21 × 3 = 252/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   54/9 = 54 × 7/9 × 7 = 378/63
4. Add the two like fractions:
   252/63 + 378/63 = 252 + 378/63 = 630/63
5. 630/63 simplified gives 10/1
6. So, 84/21 + 54/9 = 10/1

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