Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 36/80 from 18/2

1st number: 9 0/2, 2nd number: 36/80

18/2 - 36/80 is 171/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 2 × 40 = 80,
    18/2 = 18 × 40/2 × 40 = 720/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    36/80 = 36 × 1/80 × 1 = 36/80
  4. Subtract the two like fractions:
    720/80 - 36/80 = 720 - 36/80 = 684/80
  5. After reducing the fraction, the answer is 171/20
  6. In mixed form: 811/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com