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Subtract 21/5 from 3/14

1st number: 3/14, 2nd number: 4 1/5

3/14 - 21/5 is -279/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 5 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 14 × 5 = 70,
    3/14 = 3 × 5/14 × 5 = 15/70
  3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
    21/5 = 21 × 14/5 × 14 = 294/70
  4. Subtract the two like fractions:
    15/70 - 294/70 = 15 - 294/70 = -279/70

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