Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/56 and 30/18

1st number: 40/56, 2nd number: 1 12/18

40/56 + 30/18 is 50/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 18 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    40/56 = 40 × 9/56 × 9 = 360/504
  3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
    30/18 = 30 × 28/18 × 28 = 840/504
  4. Add the two like fractions:
    360/504 + 840/504 = 360 + 840/504 = 1200/504
  5. 1200/504 simplified gives 50/21
  6. So, 40/56 + 30/18 = 50/21
    In mixed form: 28/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com