Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/28 from 20/4

1st number: 5 0/4, 2nd number: 3/28

20/4 - 3/28 is 137/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 28 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    20/4 = 20 × 7/4 × 7 = 140/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    3/28 = 3 × 1/28 × 1 = 3/28
  4. Subtract the two like fractions:
    140/28 - 3/28 = 140 - 3/28 = 137/28
  5. In mixed form: 425/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com