Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 18/28 from 42/2

1st number: 21 0/2, 2nd number: 18/28

42/2 - 18/28 is 285/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 28 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 2 × 14 = 28,
    42/2 = 42 × 14/2 × 14 = 588/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    18/28 = 18 × 1/28 × 1 = 18/28
  4. Subtract the two like fractions:
    588/28 - 18/28 = 588 - 18/28 = 570/28
  5. After reducing the fraction, the answer is 285/14
  6. In mixed form: 205/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com