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Subtract 48/27 from 45/30

1st number: 1 15/30, 2nd number: 1 21/27

45/30 - 48/27 is -5/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 27 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    45/30 = 45 × 9/30 × 9 = 405/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    48/27 = 48 × 10/27 × 10 = 480/270
  4. Subtract the two like fractions:
    405/270 - 480/270 = 405 - 480/270 = -75/270
  5. After reducing the fraction, the answer is -5/18

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