Answers

Add 28/20 and 8/5

1^st number: 1 8/20, 2^nd number: 1 3/5

28/20 + 8/5 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 5 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   28/20 = 28 × 1/20 × 1 = 28/20
3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
   8/5 = 8 × 4/5 × 4 = 32/20
4. Add the two like fractions:
   28/20 + 32/20 = 28 + 32/20 = 60/20
5. 60/20 simplified gives 3/1
6. So, 28/20 + 8/5 = 3/1

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