Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 80/18 from 2/80

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

2/80 - 80/18 is -1591/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    2/80 = 2 × 9/80 × 9 = 18/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    80/18 = 80 × 40/18 × 40 = 3200/720
  4. Subtract the two like fractions:
    18/720 - 3200/720 = 18 - 3200/720 = -3182/720
  5. After reducing the fraction, the answer is -1591/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com