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Subtract 7/72 from 1/50

1/50 - 7/72 is -139/1800.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 72 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 50 × 36 = 1800,
    1/50 = 1 × 36/50 × 36 = 36/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    7/72 = 7 × 25/72 × 25 = 175/1800
  4. Subtract the two like fractions:
    36/1800 - 175/1800 = 36 - 175/1800 = -139/1800

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