Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/84 and 72/9

1st number: 10/84, 2nd number: 8 0/9

10/84 + 72/9 is 341/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    10/84 = 10 × 3/84 × 3 = 30/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    72/9 = 72 × 28/9 × 28 = 2016/252
  4. Add the two like fractions:
    30/252 + 2016/252 = 30 + 2016/252 = 2046/252
  5. 2046/252 simplified gives 341/42
  6. So, 10/84 + 72/9 = 341/42
    In mixed form: 85/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com