Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/64 from 8/21

8/21 - 5/64 is 407/1344.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 64 is 1344

    Next, find the equivalent fraction of both fractional numbers with denominator 1344
  2. For the 1st fraction, since 21 × 64 = 1344,
    8/21 = 8 × 64/21 × 64 = 512/1344
  3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
    5/64 = 5 × 21/64 × 21 = 105/1344
  4. Subtract the two like fractions:
    512/1344 - 105/1344 = 512 - 105/1344 = 407/1344

MathStep (Works offline)

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

Related:

© everydaycalculation.com