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Add 18/70 and 4/84

18/70 + 4/84 is 32/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    18/70 = 18 × 6/70 × 6 = 108/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    4/84 = 4 × 5/84 × 5 = 20/420
  4. Add the two like fractions:
    108/420 + 20/420 = 108 + 20/420 = 128/420
  5. 128/420 simplified gives 32/105
  6. So, 18/70 + 4/84 = 32/105

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