Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/2 and 30/84

1st number: 10 0/2, 2nd number: 30/84

20/2 + 30/84 is 145/14.

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,
    20/2 = 20 × 42/2 × 42 = 840/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    30/84 = 30 × 1/84 × 1 = 30/84
  4. Add the two like fractions:
    840/84 + 30/84 = 840 + 30/84 = 870/84
  5. 870/84 simplified gives 145/14
  6. So, 20/2 + 30/84 = 145/14
    In mixed form: 105/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com