Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/75 from 1/12

1/12 - 42/75 is -143/300.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 75 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 12 × 25 = 300,
    1/12 = 1 × 25/12 × 25 = 25/300
  3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
    42/75 = 42 × 4/75 × 4 = 168/300
  4. Subtract the two like fractions:
    25/300 - 168/300 = 25 - 168/300 = -143/300

MathStep (Works offline)

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

Related:

© everydaycalculation.com