Answers

Add 15/56 and 20/28

15/56 + 20/28 is 55/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 28 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   15/56 = 15 × 1/56 × 1 = 15/56
3. Likewise, for the 2nd fraction, since 28 × 2 = 56,
   20/28 = 20 × 2/28 × 2 = 40/56
4. Add the two like fractions:
   15/56 + 40/56 = 15 + 40/56 = 55/56
5. So, 15/56 + 20/28 = 55/56

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