Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 75/50 from 20/28

1st number: 20/28, 2nd number: 1 25/50

20/28 - 75/50 is -11/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 50 is 700

    Next, find the equivalent fraction of both fractional numbers with denominator 700
  2. For the 1st fraction, since 28 × 25 = 700,
    20/28 = 20 × 25/28 × 25 = 500/700
  3. Likewise, for the 2nd fraction, since 50 × 14 = 700,
    75/50 = 75 × 14/50 × 14 = 1050/700
  4. Subtract the two like fractions:
    500/700 - 1050/700 = 500 - 1050/700 = -550/700
  5. After reducing the fraction, the answer is -11/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com