Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/45 and 2/20

10/45 + 2/20 is 29/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180
  2. For the 1st fraction, since 45 × 4 = 180,
    10/45 = 10 × 4/45 × 4 = 40/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    2/20 = 2 × 9/20 × 9 = 18/180
  4. Add the two fractions:
    40/180 + 18/180 = 40 + 18/180 = 58/180
  5. 58/180 simplified gives 29/90
  6. So, 10/45 + 2/20 = 29/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com