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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
  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 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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