Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 28/15 from 5/80

1st number: 5/80, 2nd number: 1 13/15

5/80 - 28/15 is -433/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    5/80 = 5 × 3/80 × 3 = 15/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    28/15 = 28 × 16/15 × 16 = 448/240
  4. Subtract the two like fractions:
    15/240 - 448/240 = 15 - 448/240 = -433/240

MathStep (Works offline)

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

Related:

© everydaycalculation.com