Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/14 and 9/90

7/14 + 9/90 is 3/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630
  2. For the 1st fraction, since 14 × 45 = 630,
    7/14 = 7 × 45/14 × 45 = 315/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    9/90 = 9 × 7/90 × 7 = 63/630
  4. Add the two fractions:
    315/630 + 63/630 = 315 + 63/630 = 378/630
  5. 378/630 simplified gives 3/5
  6. So, 7/14 + 9/90 = 3/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com