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Subtract 1/50 from 21/18

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

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

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 50 is 450
  2. For the 1st fraction, since 18 × 25 = 450,
    21/18 = 21 × 25/18 × 25 = 525/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    1/50 = 1 × 9/50 × 9 = 9/450
  4. Subtract the two fractions:
    525/450 - 9/450 = 525 - 9/450 = 516/450
  5. After reducing the fraction, the answer is 86/75
  6. In mixed form: 111/75

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