Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/2 and 45/42

1st number: 13 1/2, 2nd number: 1 3/42

27/2 + 45/42 is 102/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 2 × 21 = 42,
    27/2 = 27 × 21/2 × 21 = 567/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    45/42 = 45 × 1/42 × 1 = 45/42
  4. Add the two like fractions:
    567/42 + 45/42 = 567 + 45/42 = 612/42
  5. 612/42 simplified gives 102/7
  6. So, 27/2 + 45/42 = 102/7
    In mixed form: 144/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com