Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/28 and 3/70

20/28 + 3/70 is 53/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    20/28 = 20 × 5/28 × 5 = 100/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    3/70 = 3 × 2/70 × 2 = 6/140
  4. Add the two like fractions:
    100/140 + 6/140 = 100 + 6/140 = 106/140
  5. 106/140 simplified gives 53/70
  6. So, 20/28 + 3/70 = 53/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com