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Subtract 21/7 from 10/14

1st number: 10/14, 2nd number: 3 0/7

10/14 - 21/7 is -16/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 7 is 14

    Next, find the equivalent fraction of both fractional numbers with denominator 14
  2. For the 1st fraction, since 14 × 1 = 14,
    10/14 = 10 × 1/14 × 1 = 10/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    21/7 = 21 × 2/7 × 2 = 42/14
  4. Subtract the two like fractions:
    10/14 - 42/14 = 10 - 42/14 = -32/14
  5. After reducing the fraction, the answer is -16/7

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