Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/12 from 2/80

2/80 - 9/12 is -29/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 12 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    2/80 = 2 × 3/80 × 3 = 6/240
  3. Likewise, for the 2nd fraction, since 12 × 20 = 240,
    9/12 = 9 × 20/12 × 20 = 180/240
  4. Subtract the two like fractions:
    6/240 - 180/240 = 6 - 180/240 = -174/240
  5. After reducing the fraction, the answer is -29/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com