Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/9 and 5/70

3/9 + 5/70 is 17/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630
  2. For the 1st fraction, since 9 × 70 = 630,
    3/9 = 3 × 70/9 × 70 = 210/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    5/70 = 5 × 9/70 × 9 = 45/630
  4. Add the two fractions:
    210/630 + 45/630 = 210 + 45/630 = 255/630
  5. 255/630 simplified gives 17/42
  6. So, 3/9 + 5/70 = 17/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com