Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/12 and 45/90

1st number: 7 6/12, 2nd number: 45/90

90/12 + 45/90 is 8/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 90 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    90/12 = 90 × 15/12 × 15 = 1350/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    45/90 = 45 × 2/90 × 2 = 90/180
  4. Add the two fractions:
    1350/180 + 90/180 = 1350 + 90/180 = 1440/180
  5. 1440/180 simplified gives 8/1
  6. So, 90/12 + 45/90 = 8/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com