Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/10 and 84/28

1st number: 1 8/10, 2nd number: 3 0/28

18/10 + 84/28 is 24/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    18/10 = 18 × 14/10 × 14 = 252/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    84/28 = 84 × 5/28 × 5 = 420/140
  4. Add the two like fractions:
    252/140 + 420/140 = 252 + 420/140 = 672/140
  5. 672/140 simplified gives 24/5
  6. So, 18/10 + 84/28 = 24/5
    In mixed form: 44/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com