Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 20/84 from 20/3

1st number: 6 2/3, 2nd number: 20/84

20/3 - 20/84 is 45/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 84 is 84
  2. For the 1st fraction, since 3 × 28 = 84,
    20/3 = 20 × 28/3 × 28 = 560/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    20/84 = 20 × 1/84 × 1 = 20/84
  4. Subtract the two fractions:
    560/84 - 20/84 = 560 - 20/84 = 540/84
  5. After reducing the fraction, the answer is 45/7
  6. In mixed form: 63/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com