Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/18 from 90/75

1st number: 1 15/75, 2nd number: 3/18

90/75 - 3/18 is 31/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 18 is 450
  2. For the 1st fraction, since 75 × 6 = 450,
    90/75 = 90 × 6/75 × 6 = 540/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    3/18 = 3 × 25/18 × 25 = 75/450
  4. Subtract the two fractions:
    540/450 - 75/450 = 540 - 75/450 = 465/450
  5. After reducing the fraction, the answer is 31/30
  6. In mixed form: 11/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com