Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 16/7 and 84/90

1st number: 2 2/7, 2nd number: 84/90

16/7 + 84/90 is 338/105.

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,
    16/7 = 16 × 90/7 × 90 = 1440/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    84/90 = 84 × 7/90 × 7 = 588/630
  4. Add the two fractions:
    1440/630 + 588/630 = 1440 + 588/630 = 2028/630
  5. After reducing the fraction, the answer is 338/105
  6. In mixed form: 323/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com