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Add 18/4 and 70/84

1st number: 4 2/4, 2nd number: 70/84

18/4 + 70/84 is 16/3.

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,
    18/4 = 18 × 21/4 × 21 = 378/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    70/84 = 70 × 1/84 × 1 = 70/84
  4. Add the two like fractions:
    378/84 + 70/84 = 378 + 70/84 = 448/84
  5. 448/84 simplified gives 16/3
  6. So, 18/4 + 70/84 = 16/3
    In mixed form: 51/3

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