Answers

Add 20/75 and 6/45

20/75 + 6/45 is 2/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 45 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 75 × 3 = 225,
   20/75 = 20 × 3/75 × 3 = 60/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   6/45 = 6 × 5/45 × 5 = 30/225
4. Add the two like fractions:
   60/225 + 30/225 = 60 + 30/225 = 90/225
5. 90/225 simplified gives 2/5
6. So, 20/75 + 6/45 = 2/5

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