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Subtract 6/30 from 4/45

4/45 - 6/30 is -1/9.

Steps for subtracting 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,
    4/45 = 4 × 2/45 × 2 = 8/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    6/30 = 6 × 3/30 × 3 = 18/90
  4. Subtract the two like fractions:
    8/90 - 18/90 = 8 - 18/90 = -10/90
  5. After reducing the fraction, the answer is -1/9

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