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Subtract 15/84 from 56/90

56/90 - 15/84 is 559/1260.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    56/90 = 56 × 14/90 × 14 = 784/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    15/84 = 15 × 15/84 × 15 = 225/1260
  4. Subtract the two fractions:
    784/1260 - 225/1260 = 784 - 225/1260 = 559/1260

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