Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/3 and 70/4

1st number: 27 0/3, 2nd number: 17 2/4

81/3 + 70/4 is 89/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 4 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 3 × 4 = 12,
    81/3 = 81 × 4/3 × 4 = 324/12
  3. Likewise, for the 2nd fraction, since 4 × 3 = 12,
    70/4 = 70 × 3/4 × 3 = 210/12
  4. Add the two like fractions:
    324/12 + 210/12 = 324 + 210/12 = 534/12
  5. 534/12 simplified gives 89/2
  6. So, 81/3 + 70/4 = 89/2
    In mixed form: 441/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com