Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/25 and 18/42

1st number: 3 9/25, 2nd number: 18/42

84/25 + 18/42 is 663/175.

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,
    84/25 = 84 × 42/25 × 42 = 3528/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    18/42 = 18 × 25/42 × 25 = 450/1050
  4. Add the two like fractions:
    3528/1050 + 450/1050 = 3528 + 450/1050 = 3978/1050
  5. 3978/1050 simplified gives 663/175
  6. So, 84/25 + 18/42 = 663/175
    In mixed form: 3138/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com