Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/18 and 15/10

1st number: 1 10/18, 2nd number: 1 5/10

28/18 + 15/10 is 55/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 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 10 × 9 = 90,
    15/10 = 15 × 9/10 × 9 = 135/90
  4. Add the two like fractions:
    140/90 + 135/90 = 140 + 135/90 = 275/90
  5. 275/90 simplified gives 55/18
  6. So, 28/18 + 15/10 = 55/18
    In mixed form: 31/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com