Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/20 and 15/30

1st number: 1 7/20, 2nd number: 15/30

27/20 + 15/30 is 37/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 30 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    27/20 = 27 × 3/20 × 3 = 81/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    15/30 = 15 × 2/30 × 2 = 30/60
  4. Add the two like fractions:
    81/60 + 30/60 = 81 + 30/60 = 111/60
  5. 111/60 simplified gives 37/20
  6. So, 27/20 + 15/30 = 37/20
    In mixed form: 117/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com