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Add 3/9 and 40/56

3/9 + 40/56 is 22/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 9 × 56 = 504,
    3/9 = 3 × 56/9 × 56 = 168/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    40/56 = 40 × 9/56 × 9 = 360/504
  4. Add the two like fractions:
    168/504 + 360/504 = 168 + 360/504 = 528/504
  5. 528/504 simplified gives 22/21
  6. So, 3/9 + 40/56 = 22/21
    In mixed form: 11/21

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