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Subtract 9/20 from 35/21

1st number: 1 14/21, 2nd number: 9/20

35/21 - 9/20 is 73/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420
  2. For the 1st fraction, since 21 × 20 = 420,
    35/21 = 35 × 20/21 × 20 = 700/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    9/20 = 9 × 21/20 × 21 = 189/420
  4. Subtract the two fractions:
    700/420 - 189/420 = 700 - 189/420 = 511/420
  5. After reducing the fraction, the answer is 73/60
  6. In mixed form: 113/60

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