Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 8/60 and 45/21

1st number: 8/60, 2nd number: 2 3/21

8/60 + 45/21 is 239/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 21 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    8/60 = 8 × 7/60 × 7 = 56/420
  3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
    45/21 = 45 × 20/21 × 20 = 900/420
  4. Add the two like fractions:
    56/420 + 900/420 = 56 + 900/420 = 956/420
  5. 956/420 simplified gives 239/105
  6. So, 8/60 + 45/21 = 239/105
    In mixed form: 229/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com