Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/75 and 42/28

1st number: 20/75, 2nd number: 1 14/28

20/75 + 42/28 is 53/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 28 is 2100

    Next, find the equivalent fraction of both fractional numbers with denominator 2100
  2. For the 1st fraction, since 75 × 28 = 2100,
    20/75 = 20 × 28/75 × 28 = 560/2100
  3. Likewise, for the 2nd fraction, since 28 × 75 = 2100,
    42/28 = 42 × 75/28 × 75 = 3150/2100
  4. Add the two like fractions:
    560/2100 + 3150/2100 = 560 + 3150/2100 = 3710/2100
  5. 3710/2100 simplified gives 53/30
  6. So, 20/75 + 42/28 = 53/30
    In mixed form: 123/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com