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Subtract 18/27 from 49/20

1st number: 2 9/20, 2nd number: 18/27

49/20 - 18/27 is 107/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    49/20 = 49 × 27/20 × 27 = 1323/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    18/27 = 18 × 20/27 × 20 = 360/540
  4. Subtract the two like fractions:
    1323/540 - 360/540 = 1323 - 360/540 = 963/540
  5. After reducing the fraction, the answer is 107/60
  6. In mixed form: 147/60

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