Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 54/8 from 5/42

1st number: 5/42, 2nd number: 6 6/8

5/42 - 54/8 is -557/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    5/42 = 5 × 4/42 × 4 = 20/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    54/8 = 54 × 21/8 × 21 = 1134/168
  4. Subtract the two like fractions:
    20/168 - 1134/168 = 20 - 1134/168 = -1114/168
  5. After reducing the fraction, the answer is -557/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com