Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/12 and 20/30

1st number: 6 3/12, 2nd number: 20/30

75/12 + 20/30 is 83/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    75/12 = 75 × 5/12 × 5 = 375/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    20/30 = 20 × 2/30 × 2 = 40/60
  4. Add the two like fractions:
    375/60 + 40/60 = 375 + 40/60 = 415/60
  5. 415/60 simplified gives 83/12
  6. So, 75/12 + 20/30 = 83/12
    In mixed form: 611/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com