Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/90 and 9/6

1st number: 21/90, 2nd number: 1 3/6

21/90 + 9/6 is 26/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    21/90 = 21 × 1/90 × 1 = 21/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    9/6 = 9 × 15/6 × 15 = 135/90
  4. Add the two like fractions:
    21/90 + 135/90 = 21 + 135/90 = 156/90
  5. 156/90 simplified gives 26/15
  6. So, 21/90 + 9/6 = 26/15
    In mixed form: 111/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com