Answers

Add 15/45 and 56/49

1^st number: 15/45, 2^nd number: 1 7/49

15/45 + 56/49 is 31/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 49 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 45 × 49 = 2205,
   15/45 = 15 × 49/45 × 49 = 735/2205
3. Likewise, for the 2nd fraction, since 49 × 45 = 2205,
   56/49 = 56 × 45/49 × 45 = 2520/2205
4. Add the two like fractions:
   735/2205 + 2520/2205 = 735 + 2520/2205 = 3255/2205
5. 3255/2205 simplified gives 31/21
6. So, 15/45 + 56/49 = 31/21
   In mixed form: 110/21

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