Answers

Add 20/75 and 35/20

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

20/75 + 35/20 is 121/60.

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,
   20/75 = 20 × 4/75 × 4 = 80/300
3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
   35/20 = 35 × 15/20 × 15 = 525/300
4. Add the two like fractions:
   80/300 + 525/300 = 80 + 525/300 = 605/300
5. 605/300 simplified gives 121/60
6. So, 20/75 + 35/20 = 121/60
   In mixed form: 21/60

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