Answers

Add 45/28 and 20/4

1^st number: 1 17/28, 2^nd number: 5 0/4

45/28 + 20/4 is 185/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 4 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 28 × 1 = 28,
   45/28 = 45 × 1/28 × 1 = 45/28
3. Likewise, for the 2nd fraction, since 4 × 7 = 28,
   20/4 = 20 × 7/4 × 7 = 140/28
4. Add the two like fractions:
   45/28 + 140/28 = 45 + 140/28 = 185/28
5. So, 45/28 + 20/4 = 185/28
   In mixed form: 617/28

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