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Subtract 16/80 from 40/18

1st number: 2 4/18, 2nd number: 16/80

40/18 - 16/80 is 91/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    40/18 = 40 × 40/18 × 40 = 1600/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    16/80 = 16 × 9/80 × 9 = 144/720
  4. Subtract the two like fractions:
    1600/720 - 144/720 = 1600 - 144/720 = 1456/720
  5. After reducing the fraction, the answer is 91/45
  6. In mixed form: 21/45

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