Answers

Add 15/28 and 45/15

1^st number: 15/28, 2^nd number: 3 0/15

15/28 + 45/15 is 99/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   15/28 = 15 × 15/28 × 15 = 225/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   45/15 = 45 × 28/15 × 28 = 1260/420
4. Add the two like fractions:
   225/420 + 1260/420 = 225 + 1260/420 = 1485/420
5. 1485/420 simplified gives 99/28
6. So, 15/28 + 45/15 = 99/28
   In mixed form: 315/28

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