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Subtract 4/10 from 3/45

3/45 - 4/10 is -1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    3/45 = 3 × 2/45 × 2 = 6/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    4/10 = 4 × 9/10 × 9 = 36/90
  4. Subtract the two like fractions:
    6/90 - 36/90 = 6 - 36/90 = -30/90
  5. After reducing the fraction, the answer is -1/3

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