Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/21 and 40/48

7/21 + 40/48 is 7/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 48 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    7/21 = 7 × 16/21 × 16 = 112/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    40/48 = 40 × 7/48 × 7 = 280/336
  4. Add the two like fractions:
    112/336 + 280/336 = 112 + 280/336 = 392/336
  5. 392/336 simplified gives 7/6
  6. So, 7/21 + 40/48 = 7/6
    In mixed form: 11/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com