Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 18/80 from 4/25

4/25 - 18/80 is -13/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 80 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 25 × 16 = 400,
    4/25 = 4 × 16/25 × 16 = 64/400
  3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
    18/80 = 18 × 5/80 × 5 = 90/400
  4. Subtract the two like fractions:
    64/400 - 90/400 = 64 - 90/400 = -26/400
  5. After reducing the fraction, the answer is -13/200

MathStep (Works offline)

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

Related:

© everydaycalculation.com