Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/40 and 3/90

8/40 + 3/90 is 7/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    8/40 = 8 × 9/40 × 9 = 72/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    3/90 = 3 × 4/90 × 4 = 12/360
  4. Add the two like fractions:
    72/360 + 12/360 = 72 + 12/360 = 84/360
  5. 84/360 simplified gives 7/30
  6. So, 8/40 + 3/90 = 7/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com