Answers

Add 9/15 and 50/21

1^st number: 9/15, 2^nd number: 2 8/21

9/15 + 50/21 is 313/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 15 × 7 = 105,
   9/15 = 9 × 7/15 × 7 = 63/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   50/21 = 50 × 5/21 × 5 = 250/105
4. Add the two like fractions:
   63/105 + 250/105 = 63 + 250/105 = 313/105
5. So, 9/15 + 50/21 = 313/105
   In mixed form: 2103/105

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