Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/84 and 84/8

1st number: 12/84, 2nd number: 10 4/8

12/84 + 84/8 is 149/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 84 × 2 = 168,
    12/84 = 12 × 2/84 × 2 = 24/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    84/8 = 84 × 21/8 × 21 = 1764/168
  4. Add the two like fractions:
    24/168 + 1764/168 = 24 + 1764/168 = 1788/168
  5. 1788/168 simplified gives 149/14
  6. So, 12/84 + 84/8 = 149/14
    In mixed form: 109/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com