Name: ___________________


kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Grade 4 - Mathematics
8.17 Adding and Subtracting Fractions Like Denominators

  1. Look at the denominators of the fractions.
  2. If the denominators are same then they are like fractions.
  3. While adding or subtracting two like fractions, the numerators are added or subtracted and the common denominator is written.
Example: 1/5 + 3/5
Since the denominators are same,just add the numerators .
Answer: 4/5

Example: 3/12 - 1/12
Since the denominators are same,just subtract the numerators.
Answer: 2/12

Directions: Add or subtract the following. Also write at least ten examples of your own.
Q 1: 1/4 + 2/4=

Q 2: 2/5 + 2/5 =

Question 3: This question is available to subscribers only!

Question 4: This question is available to subscribers only!

Subscription to kwizNET Learning System costs less than $1 per month & offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements

© 2003-2007 kwizNET Learning System LLC. All rights reserved. This material may not be reproduced, displayed, modified or distributed without the express prior written permission of the copyright holder. For permission, contact
For unlimited printable worksheets & more, go to