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Subtract 7/45 from 2/4

2/4 - 7/45 is 31/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 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 45 × 4 = 180,
    7/45 = 7 × 4/45 × 4 = 28/180
  4. Subtract the two like fractions:
    90/180 - 28/180 = 90 - 28/180 = 62/180
  5. After reducing the fraction, the answer is 31/90

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