Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/8 and 8/40

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

18/8 + 8/40 is 49/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    18/8 = 18 × 5/8 × 5 = 90/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    8/40 = 8 × 1/40 × 1 = 8/40
  4. Add the two like fractions:
    90/40 + 8/40 = 90 + 8/40 = 98/40
  5. 98/40 simplified gives 49/20
  6. So, 18/8 + 8/40 = 49/20
    In mixed form: 29/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com