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Subtract 21/18 from 1/50

1st number: 1/50, 2nd number: 1 3/18

1/50 - 21/18 is -86/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    1/50 = 1 × 9/50 × 9 = 9/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    21/18 = 21 × 25/18 × 25 = 525/450
  4. Subtract the two like fractions:
    9/450 - 525/450 = 9 - 525/450 = -516/450
  5. After reducing the fraction, the answer is -86/75

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