Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/28 and 18/80

10/28 + 18/80 is 163/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 28 × 20 = 560,
    10/28 = 10 × 20/28 × 20 = 200/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    18/80 = 18 × 7/80 × 7 = 126/560
  4. Add the two like fractions:
    200/560 + 126/560 = 200 + 126/560 = 326/560
  5. 326/560 simplified gives 163/280
  6. So, 10/28 + 18/80 = 163/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com