Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 18/4 from 7/9

1st number: 7/9, 2nd number: 4 2/4

7/9 - 18/4 is -67/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    7/9 = 7 × 4/9 × 4 = 28/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    18/4 = 18 × 9/4 × 9 = 162/36
  4. Subtract the two like fractions:
    28/36 - 162/36 = 28 - 162/36 = -134/36
  5. After reducing the fraction, the answer is -67/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com