Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 54/80 and 7/90

54/80 + 7/90 is 271/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    54/80 = 54 × 9/80 × 9 = 486/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    7/90 = 7 × 8/90 × 8 = 56/720
  4. Add the two like fractions:
    486/720 + 56/720 = 486 + 56/720 = 542/720
  5. 542/720 simplified gives 271/360
  6. So, 54/80 + 7/90 = 271/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com