Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/2 and 27/42

1st number: 1 1/2, 2nd number: 27/42

3/2 + 27/42 is 15/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    3/2 = 3 × 21/2 × 21 = 63/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    27/42 = 27 × 1/42 × 1 = 27/42
  4. Add the two fractions:
    63/42 + 27/42 = 63 + 27/42 = 90/42
  5. 90/42 simplified gives 15/7
  6. So, 3/2 + 27/42 = 15/7
    In mixed form: 21/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com