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Subtract 1/56 from 21/9

1st number: 2 3/9, 2nd number: 1/56

21/9 - 1/56 is 389/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 9 × 56 = 504,
    21/9 = 21 × 56/9 × 56 = 1176/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    1/56 = 1 × 9/56 × 9 = 9/504
  4. Subtract the two like fractions:
    1176/504 - 9/504 = 1176 - 9/504 = 1167/504
  5. After reducing the fraction, the answer is 389/168
  6. In mixed form: 253/168

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