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Subtract 21/16 from 40/14

1st number: 2 12/14, 2nd number: 1 5/16

40/14 - 21/16 is 173/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 16 is 112
  2. For the 1st fraction, since 14 × 8 = 112,
    40/14 = 40 × 8/14 × 8 = 320/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    21/16 = 21 × 7/16 × 7 = 147/112
  4. Subtract the two fractions:
    320/112 - 147/112 = 320 - 147/112 = 173/112
  5. In mixed form: 161/112

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