Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/15 and 90/6

1st number: 1 5/15, 2nd number: 15 0/6

20/15 + 90/6 is 49/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 6 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 15 × 2 = 30,
    20/15 = 20 × 2/15 × 2 = 40/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    90/6 = 90 × 5/6 × 5 = 450/30
  4. Add the two like fractions:
    40/30 + 450/30 = 40 + 450/30 = 490/30
  5. 490/30 simplified gives 49/3
  6. So, 20/15 + 90/6 = 49/3
    In mixed form: 161/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com