Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/20 and 90/4

1st number: 3 15/20, 2nd number: 22 2/4

75/20 + 90/4 is 105/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 4 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 20 × 1 = 20,
    75/20 = 75 × 1/20 × 1 = 75/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    90/4 = 90 × 5/4 × 5 = 450/20
  4. Add the two like fractions:
    75/20 + 450/20 = 75 + 450/20 = 525/20
  5. 525/20 simplified gives 105/4
  6. So, 75/20 + 90/4 = 105/4
    In mixed form: 261/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com