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Add 18/4 and 54/7

1st number: 4 2/4, 2nd number: 7 5/7

18/4 + 54/7 is 171/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 7 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    18/4 = 18 × 7/4 × 7 = 126/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    54/7 = 54 × 4/7 × 4 = 216/28
  4. Add the two like fractions:
    126/28 + 216/28 = 126 + 216/28 = 342/28
  5. 342/28 simplified gives 171/14
  6. So, 18/4 + 54/7 = 171/14
    In mixed form: 123/14

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