Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/15 and 3/90

7/15 + 3/90 is 1/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    7/15 = 7 × 6/15 × 6 = 42/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    3/90 = 3 × 1/90 × 1 = 3/90
  4. Add the two fractions:
    42/90 + 3/90 = 42 + 3/90 = 45/90
  5. 45/90 simplified gives 1/2
  6. So, 7/15 + 3/90 = 1/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com