Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/21 from 60/28

1st number: 2 4/28, 2nd number: 20/21

60/28 - 20/21 is 25/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    60/28 = 60 × 3/28 × 3 = 180/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    20/21 = 20 × 4/21 × 4 = 80/84
  4. Subtract the two like fractions:
    180/84 - 80/84 = 180 - 80/84 = 100/84
  5. After reducing the fraction, the answer is 25/21
  6. In mixed form: 14/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com