Answers

Add 56/28 and 54/15

1^st number: 2 0/28, 2^nd number: 3 9/15

56/28 + 54/15 is 28/5.

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,
   56/28 = 56 × 15/28 × 15 = 840/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   54/15 = 54 × 28/15 × 28 = 1512/420
4. Add the two like fractions:
   840/420 + 1512/420 = 840 + 1512/420 = 2352/420
5. 2352/420 simplified gives 28/5
6. So, 56/28 + 54/15 = 28/5
   In mixed form: 53/5

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