Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/40 and 20/56

30/40 + 20/56 is 31/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    30/40 = 30 × 7/40 × 7 = 210/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Add the two like fractions:
    210/280 + 100/280 = 210 + 100/280 = 310/280
  5. 310/280 simplified gives 31/28
  6. So, 30/40 + 20/56 = 31/28
    In mixed form: 13/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com