Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/75 and 7/20

72/75 + 7/20 is 131/100.

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,
    72/75 = 72 × 4/75 × 4 = 288/300
  3. Likewise, for the 2nd fraction, since 20 × 15 = 300,
    7/20 = 7 × 15/20 × 15 = 105/300
  4. Add the two like fractions:
    288/300 + 105/300 = 288 + 105/300 = 393/300
  5. 393/300 simplified gives 131/100
  6. So, 72/75 + 7/20 = 131/100
    In mixed form: 131/100

MathStep (Works offline)

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

Related:

© everydaycalculation.com