Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 6/21 and 32/40

6/21 + 32/40 is 38/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    6/21 = 6 × 40/21 × 40 = 240/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    32/40 = 32 × 21/40 × 21 = 672/840
  4. Add the two like fractions:
    240/840 + 672/840 = 240 + 672/840 = 912/840
  5. 912/840 simplified gives 38/35
  6. So, 6/21 + 32/40 = 38/35
    In mixed form: 13/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com