Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/63 and 40/56

30/63 + 40/56 is 25/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    30/63 = 30 × 8/63 × 8 = 240/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    40/56 = 40 × 9/56 × 9 = 360/504
  4. Add the two like fractions:
    240/504 + 360/504 = 240 + 360/504 = 600/504
  5. 600/504 simplified gives 25/21
  6. So, 30/63 + 40/56 = 25/21
    In mixed form: 14/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com