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Add 18/28 and 2/5

18/28 + 2/5 is 73/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 5 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    18/28 = 18 × 5/28 × 5 = 90/140
  3. Likewise, for the 2nd fraction, since 5 × 28 = 140,
    2/5 = 2 × 28/5 × 28 = 56/140
  4. Add the two like fractions:
    90/140 + 56/140 = 90 + 56/140 = 146/140
  5. 146/140 simplified gives 73/70
  6. So, 18/28 + 2/5 = 73/70
    In mixed form: 13/70

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