Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/75 and 27/20

1st number: 30/75, 2nd number: 1 7/20

30/75 + 27/20 is 7/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 20 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 75 × 4 = 300,
    30/75 = 30 × 4/75 × 4 = 120/300
  3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
    27/20 = 27 × 15/20 × 15 = 405/300
  4. Add the two like fractions:
    120/300 + 405/300 = 120 + 405/300 = 525/300
  5. 525/300 simplified gives 7/4
  6. So, 30/75 + 27/20 = 7/4
    In mixed form: 13/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com