Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/84 and 35/70

30/84 + 35/70 is 6/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    30/84 = 30 × 5/84 × 5 = 150/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    35/70 = 35 × 6/70 × 6 = 210/420
  4. Add the two like fractions:
    150/420 + 210/420 = 150 + 210/420 = 360/420
  5. 360/420 simplified gives 6/7
  6. So, 30/84 + 35/70 = 6/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com