Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/60 and 27/28

45/60 + 27/28 is 12/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 28 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 60 × 7 = 420,
    45/60 = 45 × 7/60 × 7 = 315/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    27/28 = 27 × 15/28 × 15 = 405/420
  4. Add the two like fractions:
    315/420 + 405/420 = 315 + 405/420 = 720/420
  5. 720/420 simplified gives 12/7
  6. So, 45/60 + 27/28 = 12/7
    In mixed form: 15/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com