Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/9 and 6/72

1st number: 9 0/9, 2nd number: 6/72

81/9 + 6/72 is 109/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 72 is 72
  2. For the 1st fraction, since 9 × 8 = 72,
    81/9 = 81 × 8/9 × 8 = 648/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    6/72 = 6 × 1/72 × 1 = 6/72
  4. Add the two fractions:
    648/72 + 6/72 = 648 + 6/72 = 654/72
  5. 654/72 simplified gives 109/12
  6. So, 81/9 + 6/72 = 109/12
    In mixed form: 91/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com