Answers

Add 56/28 and 15/45

1^st number: 2 0/28, 2^nd number: 15/45

56/28 + 15/45 is 7/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   56/28 = 56 × 45/28 × 45 = 2520/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   15/45 = 15 × 28/45 × 28 = 420/1260
4. Add the two like fractions:
   2520/1260 + 420/1260 = 2520 + 420/1260 = 2940/1260
5. 2940/1260 simplified gives 7/3
6. So, 56/28 + 15/45 = 7/3
   In mixed form: 21/3

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