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Subtract 4/20 from 48/18

1st number: 2 12/18, 2nd number: 4/20

48/18 - 4/20 is 37/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    48/18 = 48 × 10/18 × 10 = 480/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    4/20 = 4 × 9/20 × 9 = 36/180
  4. Subtract the two like fractions:
    480/180 - 36/180 = 480 - 36/180 = 444/180
  5. After reducing the fraction, the answer is 37/15
  6. In mixed form: 27/15

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