Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/18 and 7/20

1st number: 4 12/18, 2nd number: 7/20

84/18 + 7/20 is 301/60.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 18 × 10 = 180,
    84/18 = 84 × 10/18 × 10 = 840/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    7/20 = 7 × 9/20 × 9 = 63/180
  4. Add the two like fractions:
    840/180 + 63/180 = 840 + 63/180 = 903/180
  5. 903/180 simplified gives 301/60
  6. So, 84/18 + 7/20 = 301/60
    In mixed form: 51/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com