Answers

Add 14/84 and 90/21

1^st number: 14/84, 2^nd number: 4 6/21

14/84 + 90/21 is 187/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   14/84 = 14 × 1/84 × 1 = 14/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   90/21 = 90 × 4/21 × 4 = 360/84
4. Add the two like fractions:
   14/84 + 360/84 = 14 + 360/84 = 374/84
5. 374/84 simplified gives 187/42
6. So, 14/84 + 90/21 = 187/42
   In mixed form: 419/42

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