Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/40 and 7/20

18/40 + 7/20 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 20 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    18/40 = 18 × 1/40 × 1 = 18/40
  3. Likewise, for the 2nd fraction, since 20 × 2 = 40,
    7/20 = 7 × 2/20 × 2 = 14/40
  4. Add the two like fractions:
    18/40 + 14/40 = 18 + 14/40 = 32/40
  5. 32/40 simplified gives 4/5
  6. So, 18/40 + 7/20 = 4/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com