Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/75 and 3/9

1st number: 1 15/75, 2nd number: 3/9

90/75 + 3/9 is 23/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 9 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 75 × 3 = 225,
    90/75 = 90 × 3/75 × 3 = 270/225
  3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
    3/9 = 3 × 25/9 × 25 = 75/225
  4. Add the two like fractions:
    270/225 + 75/225 = 270 + 75/225 = 345/225
  5. 345/225 simplified gives 23/15
  6. So, 90/75 + 3/9 = 23/15
    In mixed form: 18/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com