Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/50 and 42/63

20/50 + 42/63 is 16/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 63 is 3150

    Next, find the equivalent fraction of both fractional numbers with denominator 3150
  2. For the 1st fraction, since 50 × 63 = 3150,
    20/50 = 20 × 63/50 × 63 = 1260/3150
  3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
    42/63 = 42 × 50/63 × 50 = 2100/3150
  4. Add the two like fractions:
    1260/3150 + 2100/3150 = 1260 + 2100/3150 = 3360/3150
  5. 3360/3150 simplified gives 16/15
  6. So, 20/50 + 42/63 = 16/15
    In mixed form: 11/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com