Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/4 and 5/15

1st number: 1 1/4, 2nd number: 5/15

5/4 + 5/15 is 19/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60
  2. For the 1st fraction, since 4 × 15 = 60,
    5/4 = 5 × 15/4 × 15 = 75/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    5/15 = 5 × 4/15 × 4 = 20/60
  4. Add the two fractions:
    75/60 + 20/60 = 75 + 20/60 = 95/60
  5. 95/60 simplified gives 19/12
  6. So, 5/4 + 5/15 = 19/12
    In mixed form: 17/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com