Answers

Add 15/45 and 50/21

1^st number: 15/45, 2^nd number: 2 8/21

15/45 + 50/21 is 19/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 21 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   15/45 = 15 × 7/45 × 7 = 105/315
3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
   50/21 = 50 × 15/21 × 15 = 750/315
4. Add the two like fractions:
   105/315 + 750/315 = 105 + 750/315 = 855/315
5. 855/315 simplified gives 19/7
6. So, 15/45 + 50/21 = 19/7
   In mixed form: 25/7

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