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Add 20/90 and 12/75

20/90 + 12/75 is 86/225.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 75 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    20/90 = 20 × 5/90 × 5 = 100/450
  3. Likewise, for the 2nd fraction, since 75 × 6 = 450,
    12/75 = 12 × 6/75 × 6 = 72/450
  4. Add the two like fractions:
    100/450 + 72/450 = 100 + 72/450 = 172/450
  5. 172/450 simplified gives 86/225
  6. So, 20/90 + 12/75 = 86/225

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