Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/30 and 54/42

1st number: 2 24/30, 2nd number: 1 12/42

84/30 + 54/42 is 143/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    84/30 = 84 × 7/30 × 7 = 588/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    54/42 = 54 × 5/42 × 5 = 270/210
  4. Add the two like fractions:
    588/210 + 270/210 = 588 + 270/210 = 858/210
  5. 858/210 simplified gives 143/35
  6. So, 84/30 + 54/42 = 143/35
    In mixed form: 43/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com