Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/18 and 84/63

1st number: 10/18, 2nd number: 1 21/63

10/18 + 84/63 is 17/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    10/18 = 10 × 7/18 × 7 = 70/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    84/63 = 84 × 2/63 × 2 = 168/126
  4. Add the two like fractions:
    70/126 + 168/126 = 70 + 168/126 = 238/126
  5. 238/126 simplified gives 17/9
  6. So, 10/18 + 84/63 = 17/9
    In mixed form: 18/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com