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Add 72/6 and 21/18

1st number: 12 0/6, 2nd number: 1 3/18

72/6 + 21/18 is 79/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 6 × 3 = 18,
    72/6 = 72 × 3/6 × 3 = 216/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    21/18 = 21 × 1/18 × 1 = 21/18
  4. Add the two like fractions:
    216/18 + 21/18 = 216 + 21/18 = 237/18
  5. 237/18 simplified gives 79/6
  6. So, 72/6 + 21/18 = 79/6
    In mixed form: 131/6

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