Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/70 and 30/60

20/70 + 30/60 is 11/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    20/70 = 20 × 6/70 × 6 = 120/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    30/60 = 30 × 7/60 × 7 = 210/420
  4. Add the two like fractions:
    120/420 + 210/420 = 120 + 210/420 = 330/420
  5. 330/420 simplified gives 11/14
  6. So, 20/70 + 30/60 = 11/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com