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Add 72/75 and 3/90

72/75 + 3/90 is 149/150.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    72/75 = 72 × 6/75 × 6 = 432/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    3/90 = 3 × 5/90 × 5 = 15/450
  4. Add the two like fractions:
    432/450 + 15/450 = 432 + 15/450 = 447/450
  5. 447/450 simplified gives 149/150
  6. So, 72/75 + 3/90 = 149/150

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