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Add 56/20 and 9/90

1st number: 2 16/20, 2nd number: 9/90

56/20 + 9/90 is 29/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    56/20 = 56 × 9/20 × 9 = 504/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    9/90 = 9 × 2/90 × 2 = 18/180
  4. Add the two like fractions:
    504/180 + 18/180 = 504 + 18/180 = 522/180
  5. 522/180 simplified gives 29/10
  6. So, 56/20 + 9/90 = 29/10
    In mixed form: 29/10

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