Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/42 and 54/60

18/42 + 54/60 is 93/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 42 × 10 = 420,
    18/42 = 18 × 10/42 × 10 = 180/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    54/60 = 54 × 7/60 × 7 = 378/420
  4. Add the two like fractions:
    180/420 + 378/420 = 180 + 378/420 = 558/420
  5. 558/420 simplified gives 93/70
  6. So, 18/42 + 54/60 = 93/70
    In mixed form: 123/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com