Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/10 from 5/18

1st number: 5/18, 2nd number: 1 2/10

5/18 - 12/10 is -83/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    5/18 = 5 × 5/18 × 5 = 25/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    12/10 = 12 × 9/10 × 9 = 108/90
  4. Subtract the two like fractions:
    25/90 - 108/90 = 25 - 108/90 = -83/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com