Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/28 and 4/80

7/28 + 4/80 is 3/10.

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,
    7/28 = 7 × 20/28 × 20 = 140/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    4/80 = 4 × 7/80 × 7 = 28/560
  4. Add the two like fractions:
    140/560 + 28/560 = 140 + 28/560 = 168/560
  5. 168/560 simplified gives 3/10
  6. So, 7/28 + 4/80 = 3/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com