Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/6 and 20/90

1st number: 2 3/6, 2nd number: 20/90

15/6 + 20/90 is 49/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 6 × 15 = 90,
    15/6 = 15 × 15/6 × 15 = 225/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    20/90 = 20 × 1/90 × 1 = 20/90
  4. Add the two like fractions:
    225/90 + 20/90 = 225 + 20/90 = 245/90
  5. 245/90 simplified gives 49/18
  6. So, 15/6 + 20/90 = 49/18
    In mixed form: 213/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com