Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/18 and 28/63

1st number: 1 12/18, 2nd number: 28/63

30/18 + 28/63 is 19/9.

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,
    30/18 = 30 × 7/18 × 7 = 210/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    28/63 = 28 × 2/63 × 2 = 56/126
  4. Add the two like fractions:
    210/126 + 56/126 = 210 + 56/126 = 266/126
  5. 266/126 simplified gives 19/9
  6. So, 30/18 + 28/63 = 19/9
    In mixed form: 21/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com