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Add 18/3 and 9/7

1st number: 6 0/3, 2nd number: 1 2/7

18/3 + 9/7 is 51/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 3 × 7 = 21,
    18/3 = 18 × 7/3 × 7 = 126/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    9/7 = 9 × 3/7 × 3 = 27/21
  4. Add the two like fractions:
    126/21 + 27/21 = 126 + 27/21 = 153/21
  5. 153/21 simplified gives 51/7
  6. So, 18/3 + 9/7 = 51/7
    In mixed form: 72/7

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