Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/42 from 12/3

1st number: 4 0/3, 2nd number: 2/42

12/3 - 2/42 is 83/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 3 × 14 = 42,
    12/3 = 12 × 14/3 × 14 = 168/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    2/42 = 2 × 1/42 × 1 = 2/42
  4. Subtract the two like fractions:
    168/42 - 2/42 = 168 - 2/42 = 166/42
  5. After reducing the fraction, the answer is 83/21
  6. In mixed form: 320/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com