Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/75 and 28/21

1st number: 4/75, 2nd number: 1 7/21

4/75 + 28/21 is 104/75.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    4/75 = 4 × 7/75 × 7 = 28/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    28/21 = 28 × 25/21 × 25 = 700/525
  4. Add the two like fractions:
    28/525 + 700/525 = 28 + 700/525 = 728/525
  5. 728/525 simplified gives 104/75
  6. So, 4/75 + 28/21 = 104/75
    In mixed form: 129/75

MathStep (Works offline)

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

Related:

© everydaycalculation.com