Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/10 and 70/84

8/10 + 70/84 is 49/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 10 × 42 = 420,
    8/10 = 8 × 42/10 × 42 = 336/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  4. Add the two like fractions:
    336/420 + 350/420 = 336 + 350/420 = 686/420
  5. 686/420 simplified gives 49/30
  6. So, 8/10 + 70/84 = 49/30
    In mixed form: 119/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com