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Subtract 56/5 from 25/21

1st number: 1 4/21, 2nd number: 11 1/5

25/21 - 56/5 is -1051/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 5 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    25/21 = 25 × 5/21 × 5 = 125/105
  3. Likewise, for the 2nd fraction, since 5 × 21 = 105,
    56/5 = 56 × 21/5 × 21 = 1176/105
  4. Subtract the two like fractions:
    125/105 - 1176/105 = 125 - 1176/105 = -1051/105

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