Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/3 and 90/12

1st number: 14 0/3, 2nd number: 7 6/12

42/3 + 90/12 is 43/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 3 × 4 = 12,
    42/3 = 42 × 4/3 × 4 = 168/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    90/12 = 90 × 1/12 × 1 = 90/12
  4. Add the two like fractions:
    168/12 + 90/12 = 168 + 90/12 = 258/12
  5. 258/12 simplified gives 43/2
  6. So, 42/3 + 90/12 = 43/2
    In mixed form: 211/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com