Answers

Add 27/84 and 64/21

1^st number: 27/84, 2^nd number: 3 1/21

27/84 + 64/21 is 283/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   27/84 = 27 × 1/84 × 1 = 27/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   64/21 = 64 × 4/21 × 4 = 256/84
4. Add the two like fractions:
   27/84 + 256/84 = 27 + 256/84 = 283/84
5. So, 27/84 + 64/21 = 283/84
   In mixed form: 331/84

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