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Subtract 25/90 from 50/72

50/72 - 25/90 is 5/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    50/72 = 50 × 5/72 × 5 = 250/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    25/90 = 25 × 4/90 × 4 = 100/360
  4. Subtract the two like fractions:
    250/360 - 100/360 = 250 - 100/360 = 150/360
  5. After reducing the fraction, the answer is 5/12

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