Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 16/25 and 21/42

16/25 + 21/42 is 57/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    16/25 = 16 × 42/25 × 42 = 672/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    21/42 = 21 × 25/42 × 25 = 525/1050
  4. Add the two like fractions:
    672/1050 + 525/1050 = 672 + 525/1050 = 1197/1050
  5. 1197/1050 simplified gives 57/50
  6. So, 16/25 + 21/42 = 57/50
    In mixed form: 17/50

MathStep (Works offline)

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

Related:

© everydaycalculation.com