Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/2 and 21/84

1st number: 42 0/2, 2nd number: 21/84

84/2 + 21/84 is 169/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 2 × 42 = 84,
    84/2 = 84 × 42/2 × 42 = 3528/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    21/84 = 21 × 1/84 × 1 = 21/84
  4. Add the two like fractions:
    3528/84 + 21/84 = 3528 + 21/84 = 3549/84
  5. 3549/84 simplified gives 169/4
  6. So, 84/2 + 21/84 = 169/4
    In mixed form: 421/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com