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Add 18/72 and 75/9

1st number: 18/72, 2nd number: 8 3/9

18/72 + 75/9 is 103/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    18/72 = 18 × 1/72 × 1 = 18/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    75/9 = 75 × 8/9 × 8 = 600/72
  4. Add the two like fractions:
    18/72 + 600/72 = 18 + 600/72 = 618/72
  5. 618/72 simplified gives 103/12
  6. So, 18/72 + 75/9 = 103/12
    In mixed form: 87/12

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