Answers

Add 27/75 and 75/20

1^st number: 27/75, 2^nd number: 3 15/20

27/75 + 75/20 is 411/100.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 20 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   27/75 = 27 × 4/75 × 4 = 108/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   75/20 = 75 × 15/20 × 15 = 1125/300
4. Add the two like fractions:
   108/300 + 1125/300 = 108 + 1125/300 = 1233/300
5. 1233/300 simplified gives 411/100
6. So, 27/75 + 75/20 = 411/100
   In mixed form: 411/100

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