Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/80 from 30/36

30/36 - 9/80 is 173/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 36 × 20 = 720,
    30/36 = 30 × 20/36 × 20 = 600/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    9/80 = 9 × 9/80 × 9 = 81/720
  4. Subtract the two like fractions:
    600/720 - 81/720 = 600 - 81/720 = 519/720
  5. After reducing the fraction, the answer is 173/240

MathStep (Works offline)

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

Related:

© everydaycalculation.com