Answers

Add 90/21 and 5/84

1^st number: 4 6/21, 2^nd number: 5/84

90/21 + 5/84 is 365/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   90/21 = 90 × 4/21 × 4 = 360/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   5/84 = 5 × 1/84 × 1 = 5/84
4. Add the two like fractions:
   360/84 + 5/84 = 360 + 5/84 = 365/84
5. So, 90/21 + 5/84 = 365/84
   In mixed form: 429/84

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