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Add 3/40 and 18/30

3/40 + 18/30 is 27/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    3/40 = 3 × 3/40 × 3 = 9/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    18/30 = 18 × 4/30 × 4 = 72/120
  4. Add the two like fractions:
    9/120 + 72/120 = 9 + 72/120 = 81/120
  5. 81/120 simplified gives 27/40
  6. So, 3/40 + 18/30 = 27/40

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