Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/80 and 1/8

21/80 + 1/8 is 31/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 8 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    21/80 = 21 × 1/80 × 1 = 21/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    1/8 = 1 × 10/8 × 10 = 10/80
  4. Add the two like fractions:
    21/80 + 10/80 = 21 + 10/80 = 31/80
  5. So, 21/80 + 1/8 = 31/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com