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Add 30/4 and 18/84

1st number: 7 2/4, 2nd number: 18/84

30/4 + 18/84 is 54/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    30/4 = 30 × 21/4 × 21 = 630/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    18/84 = 18 × 1/84 × 1 = 18/84
  4. Add the two like fractions:
    630/84 + 18/84 = 630 + 18/84 = 648/84
  5. 648/84 simplified gives 54/7
  6. So, 30/4 + 18/84 = 54/7
    In mixed form: 75/7

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