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Subtract 49/18 from 27/40

1st number: 27/40, 2nd number: 2 13/18

27/40 - 49/18 is -737/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    27/40 = 27 × 9/40 × 9 = 243/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    49/18 = 49 × 20/18 × 20 = 980/360
  4. Subtract the two like fractions:
    243/360 - 980/360 = 243 - 980/360 = -737/360

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