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Subtract 20/14 from 15/8

1st number: 1 7/8, 2nd number: 1 6/14

15/8 - 20/14 is 25/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 14 is 56
  2. For the 1st fraction, since 8 × 7 = 56,
    15/8 = 15 × 7/8 × 7 = 105/56
  3. Likewise, for the 2nd fraction, since 14 × 4 = 56,
    20/14 = 20 × 4/14 × 4 = 80/56
  4. Subtract the two fractions:
    105/56 - 80/56 = 105 - 80/56 = 25/56

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