Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 50/20 from 2/84

1st number: 2/84, 2nd number: 2 10/20

2/84 - 50/20 is -52/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 20 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    2/84 = 2 × 5/84 × 5 = 10/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    50/20 = 50 × 21/20 × 21 = 1050/420
  4. Subtract the two like fractions:
    10/420 - 1050/420 = 10 - 1050/420 = -1040/420
  5. After reducing the fraction, the answer is -52/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com