Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 72/6 and 63/18

1st number: 12 0/6, 2nd number: 3 9/18

72/6 + 63/18 is 31/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 18 is 18
  2. For the 1st fraction, since 6 × 3 = 18,
    72/6 = 72 × 3/6 × 3 = 216/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    63/18 = 63 × 1/18 × 1 = 63/18
  4. Add the two fractions:
    216/18 + 63/18 = 216 + 63/18 = 279/18
  5. After reducing the fraction, the answer is 31/2
  6. In mixed form: 151/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com