Answers

Add 56/21 and 60/15

1^st number: 2 14/21, 2^nd number: 4 0/15

56/21 + 60/15 is 20/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 15 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 15 × 7 = 105,
   60/15 = 60 × 7/15 × 7 = 420/105
4. Add the two like fractions:
   280/105 + 420/105 = 280 + 420/105 = 700/105
5. 700/105 simplified gives 20/3
6. So, 56/21 + 60/15 = 20/3
   In mixed form: 62/3

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