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Add 8/30 and 12/40

8/30 + 12/40 is 17/30.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    8/30 = 8 × 4/30 × 4 = 32/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    12/40 = 12 × 3/40 × 3 = 36/120
  4. Add the two like fractions:
    32/120 + 36/120 = 32 + 36/120 = 68/120
  5. 68/120 simplified gives 17/30
  6. So, 8/30 + 12/40 = 17/30

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