Answers

Add 7/24 and 90/21

1^st number: 7/24, 2^nd number: 4 6/21

7/24 + 90/21 is 769/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   7/24 = 7 × 7/24 × 7 = 49/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   90/21 = 90 × 8/21 × 8 = 720/168
4. Add the two like fractions:
   49/168 + 720/168 = 49 + 720/168 = 769/168
5. So, 7/24 + 90/21 = 769/168
   In mixed form: 497/168

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