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Subtract 21/14 from 2/4

1st number: 2/4, 2nd number: 1 7/14

2/4 - 21/14 is -1/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 14 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    2/4 = 2 × 7/4 × 7 = 14/28
  3. Likewise, for the 2nd fraction, since 14 × 2 = 28,
    21/14 = 21 × 2/14 × 2 = 42/28
  4. Subtract the two like fractions:
    14/28 - 42/28 = 14 - 42/28 = -28/28
  5. After reducing the fraction, the answer is -1/1

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