Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/48 and 20/42

30/48 + 20/42 is 185/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 42 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 48 × 7 = 336,
    30/48 = 30 × 7/48 × 7 = 210/336
  3. Likewise, for the 2nd fraction, since 42 × 8 = 336,
    20/42 = 20 × 8/42 × 8 = 160/336
  4. Add the two like fractions:
    210/336 + 160/336 = 210 + 160/336 = 370/336
  5. 370/336 simplified gives 185/168
  6. So, 30/48 + 20/42 = 185/168
    In mixed form: 117/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com