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Subtract 35/56 from 21/20

1st number: 1 1/20, 2nd number: 35/56

21/20 - 35/56 is 17/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    21/20 = 21 × 14/20 × 14 = 294/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    35/56 = 35 × 5/56 × 5 = 175/280
  4. Subtract the two like fractions:
    294/280 - 175/280 = 294 - 175/280 = 119/280
  5. After reducing the fraction, the answer is 17/40

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