Answers

Add 56/21 and 75/5

1^st number: 2 14/21, 2^nd number: 15 0/5

56/21 + 75/5 is 53/3.

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,
   75/5 = 75 × 21/5 × 21 = 1575/105
4. Add the two like fractions:
   280/105 + 1575/105 = 280 + 1575/105 = 1855/105
5. 1855/105 simplified gives 53/3
6. So, 56/21 + 75/5 = 53/3
   In mixed form: 172/3

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