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Subtract 7/90 from 5/28

5/28 - 7/90 is 127/1260.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    5/28 = 5 × 45/28 × 45 = 225/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    7/90 = 7 × 14/90 × 14 = 98/1260
  4. Subtract the two like fractions:
    225/1260 - 98/1260 = 225 - 98/1260 = 127/1260

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