Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/18 and 84/80

1st number: 1 12/18, 2nd number: 1 4/80

30/18 + 84/80 is 163/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    30/18 = 30 × 40/18 × 40 = 1200/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    84/80 = 84 × 9/80 × 9 = 756/720
  4. Add the two like fractions:
    1200/720 + 756/720 = 1200 + 756/720 = 1956/720
  5. 1956/720 simplified gives 163/60
  6. So, 30/18 + 84/80 = 163/60
    In mixed form: 243/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com