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Add 12/45 and 4/30

12/45 + 4/30 is 2/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    12/45 = 12 × 2/45 × 2 = 24/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    4/30 = 4 × 3/30 × 3 = 12/90
  4. Add the two like fractions:
    24/90 + 12/90 = 24 + 12/90 = 36/90
  5. 36/90 simplified gives 2/5
  6. So, 12/45 + 4/30 = 2/5

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