Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/90 and 3/40

2/90 + 3/40 is 7/72.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 90 × 4 = 360,
    2/90 = 2 × 4/90 × 4 = 8/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    3/40 = 3 × 9/40 × 9 = 27/360
  4. Add the two like fractions:
    8/360 + 27/360 = 8 + 27/360 = 35/360
  5. 35/360 simplified gives 7/72
  6. So, 2/90 + 3/40 = 7/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com