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Subtract 14/10 from 7/20

1st number: 7/20, 2nd number: 1 4/10

7/20 - 14/10 is -21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    7/20 = 7 × 1/20 × 1 = 7/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    14/10 = 14 × 2/10 × 2 = 28/20
  4. Subtract the two like fractions:
    7/20 - 28/20 = 7 - 28/20 = -21/20

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