Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/56 and 2/80

21/56 + 2/80 is 2/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 56 × 10 = 560,
    21/56 = 21 × 10/56 × 10 = 210/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    2/80 = 2 × 7/80 × 7 = 14/560
  4. Add the two like fractions:
    210/560 + 14/560 = 210 + 14/560 = 224/560
  5. 224/560 simplified gives 2/5
  6. So, 21/56 + 2/80 = 2/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com