Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/40 and 8/9

12/40 + 8/9 is 107/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 9 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    12/40 = 12 × 9/40 × 9 = 108/360
  3. Likewise, for the 2nd fraction, since 9 × 40 = 360,
    8/9 = 8 × 40/9 × 40 = 320/360
  4. Add the two like fractions:
    108/360 + 320/360 = 108 + 320/360 = 428/360
  5. 428/360 simplified gives 107/90
  6. So, 12/40 + 8/9 = 107/90
    In mixed form: 117/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com