Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 27/4 and 30/90

1st number: 6 3/4, 2nd number: 30/90

27/4 + 30/90 is 85/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    27/4 = 27 × 45/4 × 45 = 1215/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    30/90 = 30 × 2/90 × 2 = 60/180
  4. Add the two like fractions:
    1215/180 + 60/180 = 1215 + 60/180 = 1275/180
  5. 1275/180 simplified gives 85/12
  6. So, 27/4 + 30/90 = 85/12
    In mixed form: 71/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com