Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/42 and 20/8

1st number: 20/42, 2nd number: 2 4/8

20/42 + 20/8 is 125/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    20/42 = 20 × 4/42 × 4 = 80/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    20/8 = 20 × 21/8 × 21 = 420/168
  4. Add the two like fractions:
    80/168 + 420/168 = 80 + 420/168 = 500/168
  5. 500/168 simplified gives 125/42
  6. So, 20/42 + 20/8 = 125/42
    In mixed form: 241/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com