Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/5 from 3/80

3/80 - 4/5 is -61/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 5 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    3/80 = 3 × 1/80 × 1 = 3/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    4/5 = 4 × 16/5 × 16 = 64/80
  4. Subtract the two like fractions:
    3/80 - 64/80 = 3 - 64/80 = -61/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com