Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/20 and 42/16

1st number: 1 8/20, 2nd number: 2 10/16

28/20 + 42/16 is 161/40.

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,
    28/20 = 28 × 4/20 × 4 = 112/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    42/16 = 42 × 5/16 × 5 = 210/80
  4. Add the two like fractions:
    112/80 + 210/80 = 112 + 210/80 = 322/80
  5. 322/80 simplified gives 161/40
  6. So, 28/20 + 42/16 = 161/40
    In mixed form: 41/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com