Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 1/7 and 84/9

1st number: 1/7, 2nd number: 9 3/9

1/7 + 84/9 is 199/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    1/7 = 1 × 9/7 × 9 = 9/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    84/9 = 84 × 7/9 × 7 = 588/63
  4. Add the two fractions:
    9/63 + 588/63 = 9 + 588/63 = 597/63
  5. After reducing the fraction, the answer is 199/21
  6. In mixed form: 910/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com