Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/6 and 90/40

1st number: 2 3/6, 2nd number: 2 10/40

15/6 + 90/40 is 19/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 6 × 20 = 120,
    15/6 = 15 × 20/6 × 20 = 300/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    90/40 = 90 × 3/40 × 3 = 270/120
  4. Add the two like fractions:
    300/120 + 270/120 = 300 + 270/120 = 570/120
  5. 570/120 simplified gives 19/4
  6. So, 15/6 + 90/40 = 19/4
    In mixed form: 43/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com