Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/12 and 45/72

1st number: 2 4/12, 2nd number: 45/72

28/12 + 45/72 is 71/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 12 × 6 = 72,
    28/12 = 28 × 6/12 × 6 = 168/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    45/72 = 45 × 1/72 × 1 = 45/72
  4. Add the two like fractions:
    168/72 + 45/72 = 168 + 45/72 = 213/72
  5. 213/72 simplified gives 71/24
  6. So, 28/12 + 45/72 = 71/24
    In mixed form: 223/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com