Answers

Add 20/75 and 4/45

20/75 + 4/45 is 16/45.

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,
   4/45 = 4 × 5/45 × 5 = 20/225
4. Add the two like fractions:
   60/225 + 20/225 = 60 + 20/225 = 80/225
5. 80/225 simplified gives 16/45
6. So, 20/75 + 4/45 = 16/45

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