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Add 28/40 and 6/9

28/40 + 6/9 is 41/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    28/40 = 28 × 9/40 × 9 = 252/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    6/9 = 6 × 40/9 × 40 = 240/360
  4. Add the two like fractions:
    252/360 + 240/360 = 252 + 240/360 = 492/360
  5. 492/360 simplified gives 41/30
  6. So, 28/40 + 6/9 = 41/30
    In mixed form: 111/30

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