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Subtract 1/56 from 21/5

1st number: 4 1/5, 2nd number: 1/56

21/5 - 1/56 is 1171/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 5 × 56 = 280,
    21/5 = 21 × 56/5 × 56 = 1176/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    1/56 = 1 × 5/56 × 5 = 5/280
  4. Subtract the two like fractions:
    1176/280 - 5/280 = 1176 - 5/280 = 1171/280
  5. In mixed form: 451/280

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