Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/3 and 40/42

2/3 + 40/42 is 34/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 42 is 42
  2. For the 1st fraction, since 3 × 14 = 42,
    2/3 = 2 × 14/3 × 14 = 28/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    40/42 = 40 × 1/42 × 1 = 40/42
  4. Add the two fractions:
    28/42 + 40/42 = 28 + 40/42 = 68/42
  5. 68/42 simplified gives 34/21
  6. So, 2/3 + 40/42 = 34/21
    In mixed form: 113/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com