Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/45 and 21/6

1st number: 8/45, 2nd number: 3 3/6

8/45 + 21/6 is 331/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 6 is 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 6 × 15 = 90,
    21/6 = 21 × 15/6 × 15 = 315/90
  4. Add the two fractions:
    16/90 + 315/90 = 16 + 315/90 = 331/90
  5. So, 8/45 + 21/6 = 331/90
    In mixed form: 361/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com