Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/20 and 25/42

1st number: 4 4/20, 2nd number: 25/42

84/20 + 25/42 is 1007/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    84/20 = 84 × 21/20 × 21 = 1764/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    25/42 = 25 × 10/42 × 10 = 250/420
  4. Add the two like fractions:
    1764/420 + 250/420 = 1764 + 250/420 = 2014/420
  5. 2014/420 simplified gives 1007/210
  6. So, 84/20 + 25/42 = 1007/210
    In mixed form: 4167/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com