Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/45 and 20/12

1st number: 8/45, 2nd number: 1 8/12

8/45 + 20/12 is 83/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 12 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    8/45 = 8 × 4/45 × 4 = 32/180
  3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
    20/12 = 20 × 15/12 × 15 = 300/180
  4. Add the two like fractions:
    32/180 + 300/180 = 32 + 300/180 = 332/180
  5. 332/180 simplified gives 83/45
  6. So, 8/45 + 20/12 = 83/45
    In mixed form: 138/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com