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Subtract 24/40 from 56/21

1st number: 2 14/21, 2nd number: 24/40

56/21 - 24/40 is 31/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    56/21 = 56 × 40/21 × 40 = 2240/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    24/40 = 24 × 21/40 × 21 = 504/840
  4. Subtract the two like fractions:
    2240/840 - 504/840 = 2240 - 504/840 = 1736/840
  5. After reducing the fraction, the answer is 31/15
  6. In mixed form: 21/15

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