Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/80 and 30/72

75/80 + 30/72 is 65/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 72 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    75/80 = 75 × 9/80 × 9 = 675/720
  3. Likewise, for the 2nd fraction, since 72 × 10 = 720,
    30/72 = 30 × 10/72 × 10 = 300/720
  4. Add the two like fractions:
    675/720 + 300/720 = 675 + 300/720 = 975/720
  5. 975/720 simplified gives 65/48
  6. So, 75/80 + 30/72 = 65/48
    In mixed form: 117/48

MathStep (Works offline)

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

Related:

© everydaycalculation.com