Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/90 and 16/20

7/90 + 16/20 is 79/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 90 × 2 = 180,
    7/90 = 7 × 2/90 × 2 = 14/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    16/20 = 16 × 9/20 × 9 = 144/180
  4. Add the two like fractions:
    14/180 + 144/180 = 14 + 144/180 = 158/180
  5. 158/180 simplified gives 79/90
  6. So, 7/90 + 16/20 = 79/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com