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Subtract 6/8 from 21/14

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

21/14 - 6/8 is 3/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 14 × 4 = 56,
    21/14 = 21 × 4/14 × 4 = 84/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    6/8 = 6 × 7/8 × 7 = 42/56
  4. Subtract the two like fractions:
    84/56 - 42/56 = 84 - 42/56 = 42/56
  5. After reducing the fraction, the answer is 3/4

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