Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 50/18 from 9/42

1st number: 9/42, 2nd number: 2 14/18

9/42 - 50/18 is -323/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    9/42 = 9 × 3/42 × 3 = 27/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    50/18 = 50 × 7/18 × 7 = 350/126
  4. Subtract the two like fractions:
    27/126 - 350/126 = 27 - 350/126 = -323/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com