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Subtract 4/56 from 2/90

2/90 - 4/56 is -31/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 56 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 90 × 28 = 2520,
    2/90 = 2 × 28/90 × 28 = 56/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    4/56 = 4 × 45/56 × 45 = 180/2520
  4. Subtract the two like fractions:
    56/2520 - 180/2520 = 56 - 180/2520 = -124/2520
  5. After reducing the fraction, the answer is -31/630

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