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Subtract 90/56 from 10/20

1st number: 10/20, 2nd number: 1 34/56

10/20 - 90/56 is -31/28.

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,
    10/20 = 10 × 14/20 × 14 = 140/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    90/56 = 90 × 5/56 × 5 = 450/280
  4. Subtract the two like fractions:
    140/280 - 450/280 = 140 - 450/280 = -310/280
  5. After reducing the fraction, the answer is -31/28

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