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Add 18/45 and 20/25

18/45 + 20/25 is 6/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 25 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 45 × 5 = 225,
    18/45 = 18 × 5/45 × 5 = 90/225
  3. Likewise, for the 2nd fraction, since 25 × 9 = 225,
    20/25 = 20 × 9/25 × 9 = 180/225
  4. Add the two like fractions:
    90/225 + 180/225 = 90 + 180/225 = 270/225
  5. 270/225 simplified gives 6/5
  6. So, 18/45 + 20/25 = 6/5
    In mixed form: 11/5

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