Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/20 and 42/16

1st number: 2 2/20, 2nd number: 2 10/16

42/20 + 42/16 is 189/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    42/20 = 42 × 4/20 × 4 = 168/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    42/16 = 42 × 5/16 × 5 = 210/80
  4. Add the two like fractions:
    168/80 + 210/80 = 168 + 210/80 = 378/80
  5. 378/80 simplified gives 189/40
  6. So, 42/20 + 42/16 = 189/40
    In mixed form: 429/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com