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Add 18/54 and 5/7

18/54 + 5/7 is 22/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 7 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    18/54 = 18 × 7/54 × 7 = 126/378
  3. Likewise, for the 2nd fraction, since 7 × 54 = 378,
    5/7 = 5 × 54/7 × 54 = 270/378
  4. Add the two like fractions:
    126/378 + 270/378 = 126 + 270/378 = 396/378
  5. 396/378 simplified gives 22/21
  6. So, 18/54 + 5/7 = 22/21
    In mixed form: 11/21

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