Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/18 and 90/80

1st number: 3/18, 2nd number: 1 10/80

3/18 + 90/80 is 31/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    3/18 = 3 × 40/18 × 40 = 120/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    90/80 = 90 × 9/80 × 9 = 810/720
  4. Add the two like fractions:
    120/720 + 810/720 = 120 + 810/720 = 930/720
  5. 930/720 simplified gives 31/24
  6. So, 3/18 + 90/80 = 31/24
    In mixed form: 17/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com