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Add 16/72 and 9/90

16/72 + 9/90 is 29/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    16/72 = 16 × 5/72 × 5 = 80/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    9/90 = 9 × 4/90 × 4 = 36/360
  4. Add the two like fractions:
    80/360 + 36/360 = 80 + 36/360 = 116/360
  5. 116/360 simplified gives 29/90
  6. So, 16/72 + 9/90 = 29/90

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