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Add 72/9 and 81/10

1st number: 8 0/9, 2nd number: 8 1/10

72/9 + 81/10 is 161/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 9 × 10 = 90,
    72/9 = 72 × 10/9 × 10 = 720/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    81/10 = 81 × 9/10 × 9 = 729/90
  4. Add the two like fractions:
    720/90 + 729/90 = 720 + 729/90 = 1449/90
  5. 1449/90 simplified gives 161/10
  6. So, 72/9 + 81/10 = 161/10
    In mixed form: 161/10

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