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Add 28/36 and 5/40

28/36 + 5/40 is 65/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 36 × 10 = 360,
    28/36 = 28 × 10/36 × 10 = 280/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    5/40 = 5 × 9/40 × 9 = 45/360
  4. Add the two like fractions:
    280/360 + 45/360 = 280 + 45/360 = 325/360
  5. 325/360 simplified gives 65/72
  6. So, 28/36 + 5/40 = 65/72

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