Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/90 and 70/9

1st number: 15/90, 2nd number: 7 7/9

15/90 + 70/9 is 143/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 9 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    15/90 = 15 × 1/90 × 1 = 15/90
  3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
    70/9 = 70 × 10/9 × 10 = 700/90
  4. Add the two like fractions:
    15/90 + 700/90 = 15 + 700/90 = 715/90
  5. 715/90 simplified gives 143/18
  6. So, 15/90 + 70/9 = 143/18
    In mixed form: 717/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com