Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/12 and 72/84

1st number: 5 10/12, 2nd number: 72/84

70/12 + 72/84 is 281/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 84 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    70/12 = 70 × 7/12 × 7 = 490/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    72/84 = 72 × 1/84 × 1 = 72/84
  4. Add the two fractions:
    490/84 + 72/84 = 490 + 72/84 = 562/84
  5. 562/84 simplified gives 281/42
  6. So, 70/12 + 72/84 = 281/42
    In mixed form: 629/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com