Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/42 and 42/49

20/42 + 42/49 is 4/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 49 is 294

    Next, find the equivalent fraction of both fractional numbers with denominator 294
  2. For the 1st fraction, since 42 × 7 = 294,
    20/42 = 20 × 7/42 × 7 = 140/294
  3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
    42/49 = 42 × 6/49 × 6 = 252/294
  4. Add the two like fractions:
    140/294 + 252/294 = 140 + 252/294 = 392/294
  5. 392/294 simplified gives 4/3
  6. So, 20/42 + 42/49 = 4/3
    In mixed form: 11/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com