Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 50/30 from 50/84

1st number: 50/84, 2nd number: 1 20/30

50/84 - 50/30 is -15/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    50/84 = 50 × 5/84 × 5 = 250/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    50/30 = 50 × 14/30 × 14 = 700/420
  4. Subtract the two like fractions:
    250/420 - 700/420 = 250 - 700/420 = -450/420
  5. After reducing the fraction, the answer is -15/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com