Answers

Add 84/28 and 24/21

1^st number: 3 0/28, 2^nd number: 1 3/21

84/28 + 24/21 is 29/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   84/28 = 84 × 3/28 × 3 = 252/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   24/21 = 24 × 4/21 × 4 = 96/84
4. Add the two like fractions:
   252/84 + 96/84 = 252 + 96/84 = 348/84
5. 348/84 simplified gives 29/7
6. So, 84/28 + 24/21 = 29/7
   In mixed form: 41/7

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