Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/27 from 50/42

1st number: 1 8/42, 2nd number: 12/27

50/42 - 12/27 is 47/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    50/42 = 50 × 9/42 × 9 = 450/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    12/27 = 12 × 14/27 × 14 = 168/378
  4. Subtract the two like fractions:
    450/378 - 168/378 = 450 - 168/378 = 282/378
  5. After reducing the fraction, the answer is 47/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com