Answers

Add 10/21 and 27/4

1^st number: 10/21, 2^nd number: 6 3/4

10/21 + 27/4 is 607/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   10/21 = 10 × 4/21 × 4 = 40/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   27/4 = 27 × 21/4 × 21 = 567/84
4. Add the two like fractions:
   40/84 + 567/84 = 40 + 567/84 = 607/84
5. So, 10/21 + 27/4 = 607/84
   In mixed form: 719/84

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