Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/21 and 70/75

6/21 + 70/75 is 128/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 75 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    6/21 = 6 × 25/21 × 25 = 150/525
  3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
    70/75 = 70 × 7/75 × 7 = 490/525
  4. Add the two like fractions:
    150/525 + 490/525 = 150 + 490/525 = 640/525
  5. 640/525 simplified gives 128/105
  6. So, 6/21 + 70/75 = 128/105
    In mixed form: 123/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com