Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/18 and 70/4

1st number: 3 9/18, 2nd number: 17 2/4

63/18 + 70/4 is 21/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 18 × 2 = 36,
    63/18 = 63 × 2/18 × 2 = 126/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    70/4 = 70 × 9/4 × 9 = 630/36
  4. Add the two like fractions:
    126/36 + 630/36 = 126 + 630/36 = 756/36
  5. 756/36 simplified gives 21/1
  6. So, 63/18 + 70/4 = 21/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com