Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/84 and 54/30

1st number: 30/84, 2nd number: 1 24/30

30/84 + 54/30 is 151/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    30/84 = 30 × 5/84 × 5 = 150/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    54/30 = 54 × 14/30 × 14 = 756/420
  4. Add the two like fractions:
    150/420 + 756/420 = 150 + 756/420 = 906/420
  5. 906/420 simplified gives 151/70
  6. So, 30/84 + 54/30 = 151/70
    In mixed form: 211/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com