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Subtract 21/16 from 20/2

1st number: 10 0/2, 2nd number: 1 5/16

20/2 - 21/16 is 139/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 16 is 16
  2. For the 1st fraction, since 2 × 8 = 16,
    20/2 = 20 × 8/2 × 8 = 160/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    21/16 = 21 × 1/16 × 1 = 21/16
  4. Subtract the two fractions:
    160/16 - 21/16 = 160 - 21/16 = 139/16
  5. In mixed form: 811/16

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