Answers

Add 56/16 and 40/84

1^st number: 3 8/16, 2^nd number: 40/84

56/16 + 40/84 is 167/42.

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,
   56/16 = 56 × 21/16 × 21 = 1176/336
3. Likewise, for the 2nd fraction, since 84 × 4 = 336,
   40/84 = 40 × 4/84 × 4 = 160/336
4. Add the two like fractions:
   1176/336 + 160/336 = 1176 + 160/336 = 1336/336
5. 1336/336 simplified gives 167/42
6. So, 56/16 + 40/84 = 167/42
   In mixed form: 341/42

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