Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/7 and 84/90

6/7 + 84/90 is 188/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    6/7 = 6 × 90/7 × 90 = 540/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two fractions:
    540/630 + 588/630 = 540 + 588/630 = 1128/630
  5. 1128/630 simplified gives 188/105
  6. So, 6/7 + 84/90 = 188/105
    In mixed form: 183/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com