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Subtract 90/16 from 1/40

1st number: 1/40, 2nd number: 5 10/16

1/40 - 90/16 is -28/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 40 × 2 = 80,
    1/40 = 1 × 2/40 × 2 = 2/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    90/16 = 90 × 5/16 × 5 = 450/80
  4. Subtract the two like fractions:
    2/80 - 450/80 = 2 - 450/80 = -448/80
  5. After reducing the fraction, the answer is -28/5

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