Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/12 and 42/9

1st number: 2 1/12, 2nd number: 4 6/9

25/12 + 42/9 is 27/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    25/12 = 25 × 3/12 × 3 = 75/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    42/9 = 42 × 4/9 × 4 = 168/36
  4. Add the two like fractions:
    75/36 + 168/36 = 75 + 168/36 = 243/36
  5. 243/36 simplified gives 27/4
  6. So, 25/12 + 42/9 = 27/4
    In mixed form: 63/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com