Answers

Add 84/16 and 45/84

1^st number: 5 4/16, 2^nd number: 45/84

84/16 + 45/84 is 81/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 84 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 16 × 21 = 336,
   84/16 = 84 × 21/16 × 21 = 1764/336
3. Likewise, for the 2nd fraction, since 84 × 4 = 336,
   45/84 = 45 × 4/84 × 4 = 180/336
4. Add the two like fractions:
   1764/336 + 180/336 = 1764 + 180/336 = 1944/336
5. 1944/336 simplified gives 81/14
6. So, 84/16 + 45/84 = 81/14
   In mixed form: 511/14

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