Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/28 from 20/14

1st number: 1 6/14, 2nd number: 1 14/28

20/14 - 42/28 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 28 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 14 × 2 = 28,
    20/14 = 20 × 2/14 × 2 = 40/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    42/28 = 42 × 1/28 × 1 = 42/28
  4. Subtract the two like fractions:
    40/28 - 42/28 = 40 - 42/28 = -2/28
  5. After reducing the fraction, the answer is -1/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com