Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/25 and 42/16

1st number: 20/25, 2nd number: 2 10/16

20/25 + 42/16 is 137/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 16 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 25 × 16 = 400,
    20/25 = 20 × 16/25 × 16 = 320/400
  3. Likewise, for the 2nd fraction, since 16 × 25 = 400,
    42/16 = 42 × 25/16 × 25 = 1050/400
  4. Add the two like fractions:
    320/400 + 1050/400 = 320 + 1050/400 = 1370/400
  5. 1370/400 simplified gives 137/40
  6. So, 20/25 + 42/16 = 137/40
    In mixed form: 317/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com