Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/45 and 81/30

1st number: 8/45, 2nd number: 2 21/30

8/45 + 81/30 is 259/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    8/45 = 8 × 2/45 × 2 = 16/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    81/30 = 81 × 3/30 × 3 = 243/90
  4. Add the two like fractions:
    16/90 + 243/90 = 16 + 243/90 = 259/90
  5. So, 8/45 + 81/30 = 259/90
    In mixed form: 279/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com