Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/50 from 30/18

1st number: 1 12/18, 2nd number: 20/50

30/18 - 20/50 is 19/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 50 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 18 × 25 = 450,
    30/18 = 30 × 25/18 × 25 = 750/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    20/50 = 20 × 9/50 × 9 = 180/450
  4. Subtract the two like fractions:
    750/450 - 180/450 = 750 - 180/450 = 570/450
  5. After reducing the fraction, the answer is 19/15
  6. In mixed form: 14/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com