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Add 27/72 and 6/90

27/72 + 6/90 is 53/120.

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,
    27/72 = 27 × 5/72 × 5 = 135/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    6/90 = 6 × 4/90 × 4 = 24/360
  4. Add the two like fractions:
    135/360 + 24/360 = 135 + 24/360 = 159/360
  5. 159/360 simplified gives 53/120
  6. So, 27/72 + 6/90 = 53/120

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