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Subtract 81/72 from 50/60

1st number: 50/60, 2nd number: 1 9/72

50/60 - 81/72 is -7/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 60 × 6 = 360,
    50/60 = 50 × 6/60 × 6 = 300/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    81/72 = 81 × 5/72 × 5 = 405/360
  4. Subtract the two like fractions:
    300/360 - 405/360 = 300 - 405/360 = -105/360
  5. After reducing the fraction, the answer is -7/24

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