Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 2/90 and 15/80

2/90 + 15/80 is 151/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 80 is 720
  2. For the 1st fraction, since 90 × 8 = 720,
    2/90 = 2 × 8/90 × 8 = 16/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    15/80 = 15 × 9/80 × 9 = 135/720
  4. Add the two fractions:
    16/720 + 135/720 = 16 + 135/720 = 151/720

MathStep (Works offline)

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

Related:

© everydaycalculation.com