Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/40 and 4/45

4/40 + 4/45 is 17/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    4/40 = 4 × 9/40 × 9 = 36/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    4/45 = 4 × 8/45 × 8 = 32/360
  4. Add the two like fractions:
    36/360 + 32/360 = 36 + 32/360 = 68/360
  5. 68/360 simplified gives 17/90
  6. So, 4/40 + 4/45 = 17/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com