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Subtract 50/72 from 56/90

56/90 - 50/72 is -13/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 72 is 360
  2. For the 1st fraction, since 90 × 4 = 360,
    56/90 = 56 × 4/90 × 4 = 224/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    50/72 = 50 × 5/72 × 5 = 250/360
  4. Subtract the two fractions:
    224/360 - 250/360 = 224 - 250/360 = -26/360
  5. After reducing the fraction, the answer is -13/180

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