Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/81 from 24/75

24/75 - 30/81 is -34/675.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 81 is 2025
  2. For the 1st fraction, since 75 × 27 = 2025,
    24/75 = 24 × 27/75 × 27 = 648/2025
  3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
    30/81 = 30 × 25/81 × 25 = 750/2025
  4. Subtract the two fractions:
    648/2025 - 750/2025 = 648 - 750/2025 = -102/2025
  5. After reducing the fraction, the answer is -34/675

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com