Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/18 and 48/40

1st number: 1 12/18, 2nd number: 1 8/40

30/18 + 48/40 is 43/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 18 × 20 = 360,
    30/18 = 30 × 20/18 × 20 = 600/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    48/40 = 48 × 9/40 × 9 = 432/360
  4. Add the two like fractions:
    600/360 + 432/360 = 600 + 432/360 = 1032/360
  5. 1032/360 simplified gives 43/15
  6. So, 30/18 + 48/40 = 43/15
    In mixed form: 213/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com