Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/40 and 10/90

5/40 + 10/90 is 17/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 90 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    5/40 = 5 × 9/40 × 9 = 45/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    10/90 = 10 × 4/90 × 4 = 40/360
  4. Add the two fractions:
    45/360 + 40/360 = 45 + 40/360 = 85/360
  5. 85/360 simplified gives 17/72
  6. So, 5/40 + 10/90 = 17/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com