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Subtract 40/56 from 90/5

1st number: 18 0/5, 2nd number: 40/56

90/5 - 40/56 is 121/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 56 is 280
  2. For the 1st fraction, since 5 × 56 = 280,
    90/5 = 90 × 56/5 × 56 = 5040/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    40/56 = 40 × 5/56 × 5 = 200/280
  4. Subtract the two fractions:
    5040/280 - 200/280 = 5040 - 200/280 = 4840/280
  5. After reducing the fraction, the answer is 121/7
  6. In mixed form: 172/7

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