Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 27/5 from 7/80

1st number: 7/80, 2nd number: 5 2/5

7/80 - 27/5 is -85/16.

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,
    7/80 = 7 × 1/80 × 1 = 7/80
  3. Likewise, for the 2nd fraction, since 5 × 16 = 80,
    27/5 = 27 × 16/5 × 16 = 432/80
  4. Subtract the two like fractions:
    7/80 - 432/80 = 7 - 432/80 = -425/80
  5. After reducing the fraction, the answer is -85/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com