Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/18 and 30/90

1st number: 1 10/18, 2nd number: 30/90

28/18 + 30/90 is 17/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    28/18 = 28 × 5/18 × 5 = 140/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    30/90 = 30 × 1/90 × 1 = 30/90
  4. Add the two like fractions:
    140/90 + 30/90 = 140 + 30/90 = 170/90
  5. 170/90 simplified gives 17/9
  6. So, 28/18 + 30/90 = 17/9
    In mixed form: 18/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com