Answers

Add 24/14 and 90/21

1^st number: 1 10/14, 2^nd number: 4 6/21

24/14 + 90/21 is 6/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   24/14 = 24 × 3/14 × 3 = 72/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   90/21 = 90 × 2/21 × 2 = 180/42
4. Add the two like fractions:
   72/42 + 180/42 = 72 + 180/42 = 252/42
5. 252/42 simplified gives 6/1
6. So, 24/14 + 90/21 = 6/1

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