Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/28 and 63/80

7/28 + 63/80 is 83/80.

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,
    63/80 = 63 × 7/80 × 7 = 441/560
  4. Add the two like fractions:
    140/560 + 441/560 = 140 + 441/560 = 581/560
  5. 581/560 simplified gives 83/80
  6. So, 7/28 + 63/80 = 83/80
    In mixed form: 13/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com