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Subtract 18/90 from 40/16

1st number: 2 8/16, 2nd number: 18/90

40/16 - 18/90 is 23/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    40/16 = 40 × 45/16 × 45 = 1800/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    18/90 = 18 × 8/90 × 8 = 144/720
  4. Subtract the two like fractions:
    1800/720 - 144/720 = 1800 - 144/720 = 1656/720
  5. After reducing the fraction, the answer is 23/10
  6. In mixed form: 23/10

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