Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 6/50 from 21/40

21/40 - 6/50 is 81/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 50 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 40 × 5 = 200,
    21/40 = 21 × 5/40 × 5 = 105/200
  3. Likewise, for the 2nd fraction, since 50 × 4 = 200,
    6/50 = 6 × 4/50 × 4 = 24/200
  4. Subtract the two like fractions:
    105/200 - 24/200 = 105 - 24/200 = 81/200

MathStep (Works offline)

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

Related:

© everydaycalculation.com