Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 2/12 and 45/70

2/12 + 45/70 is 17/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 70 is 420
  2. For the 1st fraction, since 12 × 35 = 420,
    2/12 = 2 × 35/12 × 35 = 70/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    45/70 = 45 × 6/70 × 6 = 270/420
  4. Add the two fractions:
    70/420 + 270/420 = 70 + 270/420 = 340/420
  5. After reducing the fraction, the answer is 17/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com