Answers

Add 27/20 and 20/4

1^st number: 1 7/20, 2^nd number: 5 0/4

27/20 + 20/4 is 127/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   27/20 = 27 × 1/20 × 1 = 27/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   20/4 = 20 × 5/4 × 5 = 100/20
4. Add the two like fractions:
   27/20 + 100/20 = 27 + 100/20 = 127/20
5. So, 27/20 + 20/4 = 127/20
   In mixed form: 67/20

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