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Subtract 4/80 from 40/18

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

40/18 - 4/80 is 391/180.

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,
    4/80 = 4 × 9/80 × 9 = 36/720
  4. Subtract the two like fractions:
    1600/720 - 36/720 = 1600 - 36/720 = 1564/720
  5. After reducing the fraction, the answer is 391/180
  6. In mixed form: 231/180

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