Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/56 and 42/49

20/56 + 42/49 is 17/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 49 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 56 × 7 = 392,
    20/56 = 20 × 7/56 × 7 = 140/392
  3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
    42/49 = 42 × 8/49 × 8 = 336/392
  4. Add the two like fractions:
    140/392 + 336/392 = 140 + 336/392 = 476/392
  5. 476/392 simplified gives 17/14
  6. So, 20/56 + 42/49 = 17/14
    In mixed form: 13/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com