Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/18 and 84/30

1st number: 4 12/18, 2nd number: 2 24/30

84/18 + 84/30 is 112/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    84/18 = 84 × 5/18 × 5 = 420/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    84/30 = 84 × 3/30 × 3 = 252/90
  4. Add the two like fractions:
    420/90 + 252/90 = 420 + 252/90 = 672/90
  5. 672/90 simplified gives 112/15
  6. So, 84/18 + 84/30 = 112/15
    In mixed form: 77/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com