Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/42 and 9/5

1st number: 1 12/42, 2nd number: 1 4/5

54/42 + 9/5 is 108/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 5 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    54/42 = 54 × 5/42 × 5 = 270/210
  3. Likewise, for the 2nd fraction, since 5 × 42 = 210,
    9/5 = 9 × 42/5 × 42 = 378/210
  4. Add the two like fractions:
    270/210 + 378/210 = 270 + 378/210 = 648/210
  5. 648/210 simplified gives 108/35
  6. So, 54/42 + 9/5 = 108/35
    In mixed form: 33/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com