Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/80 from 40/18

1st number: 2 4/18, 2nd number: 8/80

40/18 - 8/80 is 191/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720
  2. For the 1st fraction, since 18 × 40 = 720,
    40/18 = 40 × 40/18 × 40 = 1600/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    8/80 = 8 × 9/80 × 9 = 72/720
  4. Subtract the two fractions:
    1600/720 - 72/720 = 1600 - 72/720 = 1528/720
  5. After reducing the fraction, the answer is 191/90
  6. In mixed form: 211/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com