Answers

Add 2/21 and 45/15

1^st number: 2/21, 2^nd number: 3 0/15

2/21 + 45/15 is 65/21.

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,
   2/21 = 2 × 5/21 × 5 = 10/105
3. Likewise, for the 2nd fraction, since 15 × 7 = 105,
   45/15 = 45 × 7/15 × 7 = 315/105
4. Add the two like fractions:
   10/105 + 315/105 = 10 + 315/105 = 325/105
5. 325/105 simplified gives 65/21
6. So, 2/21 + 45/15 = 65/21
   In mixed form: 32/21

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