Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/84 and 90/27

1st number: 10/84, 2nd number: 3 9/27

10/84 + 90/27 is 145/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 27 is 756
  2. For the 1st fraction, since 84 × 9 = 756,
    10/84 = 10 × 9/84 × 9 = 90/756
  3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
    90/27 = 90 × 28/27 × 28 = 2520/756
  4. Add the two fractions:
    90/756 + 2520/756 = 90 + 2520/756 = 2610/756
  5. 2610/756 simplified gives 145/42
  6. So, 10/84 + 90/27 = 145/42
    In mixed form: 319/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com