Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/4 from 1/80

1st number: 1/80, 2nd number: 3 3/4

1/80 - 15/4 is -299/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 4 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    1/80 = 1 × 1/80 × 1 = 1/80
  3. Likewise, for the 2nd fraction, since 4 × 20 = 80,
    15/4 = 15 × 20/4 × 20 = 300/80
  4. Subtract the two like fractions:
    1/80 - 300/80 = 1 - 300/80 = -299/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com