Answers

Add 56/21 and 80/5

1^st number: 2 14/21, 2^nd number: 16 0/5

56/21 + 80/5 is 56/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 5 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 21 × 5 = 105,
   56/21 = 56 × 5/21 × 5 = 280/105
3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
   80/5 = 80 × 21/5 × 21 = 1680/105
4. Add the two like fractions:
   280/105 + 1680/105 = 280 + 1680/105 = 1960/105
5. 1960/105 simplified gives 56/3
6. So, 56/21 + 80/5 = 56/3
   In mixed form: 182/3

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