Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 8/42 and 12/9

1st number: 8/42, 2nd number: 1 3/9

8/42 + 12/9 is 32/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    8/42 = 8 × 3/42 × 3 = 24/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    12/9 = 12 × 14/9 × 14 = 168/126
  4. Add the two fractions:
    24/126 + 168/126 = 24 + 168/126 = 192/126
  5. After reducing the fraction, the answer is 32/21
  6. In mixed form: 111/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com