Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/28 from 5/12

1st number: 5/12, 2nd number: 1 14/28

5/12 - 42/28 is -13/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    5/12 = 5 × 7/12 × 7 = 35/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    42/28 = 42 × 3/28 × 3 = 126/84
  4. Subtract the two like fractions:
    35/84 - 126/84 = 35 - 126/84 = -91/84
  5. After reducing the fraction, the answer is -13/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com