Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 80/75 and 40/72

1st number: 1 5/75, 2nd number: 40/72

80/75 + 40/72 is 73/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 72 is 1800

    Next, find the equivalent fraction of both fractional numbers with denominator 1800
  2. For the 1st fraction, since 75 × 24 = 1800,
    80/75 = 80 × 24/75 × 24 = 1920/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    40/72 = 40 × 25/72 × 25 = 1000/1800
  4. Add the two like fractions:
    1920/1800 + 1000/1800 = 1920 + 1000/1800 = 2920/1800
  5. 2920/1800 simplified gives 73/45
  6. So, 80/75 + 40/72 = 73/45
    In mixed form: 128/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com