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Subtract 80/27 from 45/30

1st number: 1 15/30, 2nd number: 2 26/27

45/30 - 80/27 is -79/54.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 27 is 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,
    80/27 = 80 × 10/27 × 10 = 800/270
  4. Subtract the two fractions:
    405/270 - 800/270 = 405 - 800/270 = -395/270
  5. After reducing the fraction, the answer is -79/54

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