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Add 9/20 and 72/9

1st number: 9/20, 2nd number: 8 0/9

9/20 + 72/9 is 169/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    9/20 = 9 × 9/20 × 9 = 81/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    72/9 = 72 × 20/9 × 20 = 1440/180
  4. Add the two like fractions:
    81/180 + 1440/180 = 81 + 1440/180 = 1521/180
  5. 1521/180 simplified gives 169/20
  6. So, 9/20 + 72/9 = 169/20
    In mixed form: 89/20

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