Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/80 and 3/90

45/80 + 3/90 is 143/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    45/80 = 45 × 9/80 × 9 = 405/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    3/90 = 3 × 8/90 × 8 = 24/720
  4. Add the two like fractions:
    405/720 + 24/720 = 405 + 24/720 = 429/720
  5. 429/720 simplified gives 143/240
  6. So, 45/80 + 3/90 = 143/240

MathStep (Works offline)

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

Related:

© everydaycalculation.com