Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/72 and 75/18

1st number: 28/72, 2nd number: 4 3/18

28/72 + 75/18 is 41/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72
  2. For the 1st fraction, since 72 × 1 = 72,
    28/72 = 28 × 1/72 × 1 = 28/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    75/18 = 75 × 4/18 × 4 = 300/72
  4. Add the two fractions:
    28/72 + 300/72 = 28 + 300/72 = 328/72
  5. 328/72 simplified gives 41/9
  6. So, 28/72 + 75/18 = 41/9
    In mixed form: 45/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com