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Subtract 12/45 from 90/5

1st number: 18 0/5, 2nd number: 12/45

90/5 - 12/45 is 266/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 45 is 45
  2. For the 1st fraction, since 5 × 9 = 45,
    90/5 = 90 × 9/5 × 9 = 810/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    12/45 = 12 × 1/45 × 1 = 12/45
  4. Subtract the two fractions:
    810/45 - 12/45 = 810 - 12/45 = 798/45
  5. After reducing the fraction, the answer is 266/15
  6. In mixed form: 1711/15

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