Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/40 and 18/8

1st number: 18/40, 2nd number: 2 2/8

18/40 + 18/8 is 27/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 8 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 8 × 5 = 40,
    18/8 = 18 × 5/8 × 5 = 90/40
  4. Add the two like fractions:
    18/40 + 90/40 = 18 + 90/40 = 108/40
  5. 108/40 simplified gives 27/10
  6. So, 18/40 + 18/8 = 27/10
    In mixed form: 27/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com