Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/40 and 18/12

1st number: 2 4/40, 2nd number: 1 6/12

84/40 + 18/12 is 18/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 12 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    84/40 = 84 × 3/40 × 3 = 252/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    18/12 = 18 × 10/12 × 10 = 180/120
  4. Add the two like fractions:
    252/120 + 180/120 = 252 + 180/120 = 432/120
  5. 432/120 simplified gives 18/5
  6. So, 84/40 + 18/12 = 18/5
    In mixed form: 33/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com