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Add 10/75 and 72/90

10/75 + 72/90 is 14/15.

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,
    10/75 = 10 × 6/75 × 6 = 60/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    72/90 = 72 × 5/90 × 5 = 360/450
  4. Add the two like fractions:
    60/450 + 360/450 = 60 + 360/450 = 420/450
  5. 420/450 simplified gives 14/15
  6. So, 10/75 + 72/90 = 14/15

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