Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/42 from 8/2

1st number: 4 0/2, 2nd number: 15/42

8/2 - 15/42 is 51/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    8/2 = 8 × 21/2 × 21 = 168/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    15/42 = 15 × 1/42 × 1 = 15/42
  4. Subtract the two like fractions:
    168/42 - 15/42 = 168 - 15/42 = 153/42
  5. After reducing the fraction, the answer is 51/14
  6. In mixed form: 39/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com