Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/90 and 21/30

5/90 + 21/30 is 34/45.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    5/90 = 5 × 1/90 × 1 = 5/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    21/30 = 21 × 3/30 × 3 = 63/90
  4. Add the two like fractions:
    5/90 + 63/90 = 5 + 63/90 = 68/90
  5. 68/90 simplified gives 34/45
  6. So, 5/90 + 21/30 = 34/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com