Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/30 and 72/45

1st number: 9/30, 2nd number: 1 27/45

9/30 + 72/45 is 19/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    9/30 = 9 × 3/30 × 3 = 27/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    72/45 = 72 × 2/45 × 2 = 144/90
  4. Add the two like fractions:
    27/90 + 144/90 = 27 + 144/90 = 171/90
  5. 171/90 simplified gives 19/10
  6. So, 9/30 + 72/45 = 19/10
    In mixed form: 19/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com