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Subtract 36/56 from 90/20

1st number: 4 10/20, 2nd number: 36/56

90/20 - 36/56 is 27/7.

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,
    90/20 = 90 × 14/20 × 14 = 1260/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    36/56 = 36 × 5/56 × 5 = 180/280
  4. Subtract the two like fractions:
    1260/280 - 180/280 = 1260 - 180/280 = 1080/280
  5. After reducing the fraction, the answer is 27/7
  6. In mixed form: 36/7

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