Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 54/30 and 70/84

1st number: 1 24/30, 2nd number: 70/84

54/30 + 70/84 is 79/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 84 is 420
  2. For the 1st fraction, since 30 × 14 = 420,
    54/30 = 54 × 14/30 × 14 = 756/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  4. Add the two fractions:
    756/420 + 350/420 = 756 + 350/420 = 1106/420
  5. After reducing the fraction, the answer is 79/30
  6. In mixed form: 219/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com