Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/2 and 5/90

1st number: 7 1/2, 2nd number: 5/90

15/2 + 5/90 is 68/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 2 × 45 = 90,
    15/2 = 15 × 45/2 × 45 = 675/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    5/90 = 5 × 1/90 × 1 = 5/90
  4. Add the two like fractions:
    675/90 + 5/90 = 675 + 5/90 = 680/90
  5. 680/90 simplified gives 68/9
  6. So, 15/2 + 5/90 = 68/9
    In mixed form: 75/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com