Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/2 and 18/5

1st number: 7 1/2, 2nd number: 3 3/5

15/2 + 18/5 is 111/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 5 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 2 × 5 = 10,
    15/2 = 15 × 5/2 × 5 = 75/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    18/5 = 18 × 2/5 × 2 = 36/10
  4. Add the two like fractions:
    75/10 + 36/10 = 75 + 36/10 = 111/10
  5. So, 15/2 + 18/5 = 111/10
    In mixed form: 111/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com