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Add 10/40 and 20/30

10/40 + 20/30 is 11/12.

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,
    10/40 = 10 × 3/40 × 3 = 30/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    20/30 = 20 × 4/30 × 4 = 80/120
  4. Add the two like fractions:
    30/120 + 80/120 = 30 + 80/120 = 110/120
  5. 110/120 simplified gives 11/12
  6. So, 10/40 + 20/30 = 11/12

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