Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/20 and 10/18

1st number: 2 2/20, 2nd number: 10/18

42/20 + 10/18 is 239/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    42/20 = 42 × 9/20 × 9 = 378/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    10/18 = 10 × 10/18 × 10 = 100/180
  4. Add the two like fractions:
    378/180 + 100/180 = 378 + 100/180 = 478/180
  5. 478/180 simplified gives 239/90
  6. So, 42/20 + 10/18 = 239/90
    In mixed form: 259/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com