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Subtract 49/90 from 2/4

2/4 - 49/90 is -2/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    2/4 = 2 × 45/4 × 45 = 90/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    49/90 = 49 × 2/90 × 2 = 98/180
  4. Subtract the two like fractions:
    90/180 - 98/180 = 90 - 98/180 = -8/180
  5. After reducing the fraction, the answer is -2/45

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