Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/63 and 84/18

1st number: 30/63, 2nd number: 4 12/18

30/63 + 84/18 is 36/7.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 63 × 2 = 126,
    30/63 = 30 × 2/63 × 2 = 60/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    84/18 = 84 × 7/18 × 7 = 588/126
  4. Add the two like fractions:
    60/126 + 588/126 = 60 + 588/126 = 648/126
  5. 648/126 simplified gives 36/7
  6. So, 30/63 + 84/18 = 36/7
    In mixed form: 51/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com