Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/28 and 90/15

1st number: 3/28, 2nd number: 6 0/15

3/28 + 90/15 is 171/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    3/28 = 3 × 15/28 × 15 = 45/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    90/15 = 90 × 28/15 × 28 = 2520/420
  4. Add the two like fractions:
    45/420 + 2520/420 = 45 + 2520/420 = 2565/420
  5. 2565/420 simplified gives 171/28
  6. So, 3/28 + 90/15 = 171/28
    In mixed form: 63/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com