Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 6/90 from 45/75

45/75 - 6/90 is 8/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 90 is 450
  2. For the 1st fraction, since 75 × 6 = 450,
    45/75 = 45 × 6/75 × 6 = 270/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    6/90 = 6 × 5/90 × 5 = 30/450
  4. Subtract the two fractions:
    270/450 - 30/450 = 270 - 30/450 = 240/450
  5. After reducing the fraction, the answer is 8/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com