Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/84 and 81/70

1st number: 6/84, 2nd number: 1 11/70

6/84 + 81/70 is 43/35.

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,
    6/84 = 6 × 5/84 × 5 = 30/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    81/70 = 81 × 6/70 × 6 = 486/420
  4. Add the two like fractions:
    30/420 + 486/420 = 30 + 486/420 = 516/420
  5. 516/420 simplified gives 43/35
  6. So, 6/84 + 81/70 = 43/35
    In mixed form: 18/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com