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Add 18/75 and 63/90

18/75 + 63/90 is 47/50.

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,
    18/75 = 18 × 6/75 × 6 = 108/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    63/90 = 63 × 5/90 × 5 = 315/450
  4. Add the two like fractions:
    108/450 + 315/450 = 108 + 315/450 = 423/450
  5. 423/450 simplified gives 47/50
  6. So, 18/75 + 63/90 = 47/50

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