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Subtract 16/27 from 21/20

1st number: 1 1/20, 2nd number: 16/27

21/20 - 16/27 is 247/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540
  2. For the 1st fraction, since 20 × 27 = 540,
    21/20 = 21 × 27/20 × 27 = 567/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    16/27 = 16 × 20/27 × 20 = 320/540
  4. Subtract the two fractions:
    567/540 - 320/540 = 567 - 320/540 = 247/540

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