Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/2 and 21/75

1st number: 3 1/2, 2nd number: 21/75

7/2 + 21/75 is 189/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 75 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 2 × 75 = 150,
    7/2 = 7 × 75/2 × 75 = 525/150
  3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
    21/75 = 21 × 2/75 × 2 = 42/150
  4. Add the two like fractions:
    525/150 + 42/150 = 525 + 42/150 = 567/150
  5. 567/150 simplified gives 189/50
  6. So, 7/2 + 21/75 = 189/50
    In mixed form: 339/50

MathStep (Works offline)

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

Related:

© everydaycalculation.com