Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/42 and 6/20

1/42 + 6/20 is 34/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 42 × 10 = 420,
    1/42 = 1 × 10/42 × 10 = 10/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    6/20 = 6 × 21/20 × 21 = 126/420
  4. Add the two like fractions:
    10/420 + 126/420 = 10 + 126/420 = 136/420
  5. 136/420 simplified gives 34/105
  6. So, 1/42 + 6/20 = 34/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com