Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/42 from 2/12

2/12 - 1/42 is 1/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    2/12 = 2 × 7/12 × 7 = 14/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    1/42 = 1 × 2/42 × 2 = 2/84
  4. Subtract the two like fractions:
    14/84 - 2/84 = 14 - 2/84 = 12/84
  5. After reducing the fraction, the answer is 1/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com