Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 9/90 and 72/15

1st number: 9/90, 2nd number: 4 12/15

9/90 + 72/15 is 49/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 15 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    9/90 = 9 × 1/90 × 1 = 9/90
  3. Likewise, for the 2nd fraction, since 15 × 6 = 90,
    72/15 = 72 × 6/15 × 6 = 432/90
  4. Add the two like fractions:
    9/90 + 432/90 = 9 + 432/90 = 441/90
  5. 441/90 simplified gives 49/10
  6. So, 9/90 + 72/15 = 49/10
    In mixed form: 49/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com