Home Order Products Login Online Courses Search Contact Us
Update Profile
Sign Up
Current Curriculum
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!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
1.11 Addition of Three Mixed Numbers

Addition of three mixed numbers with like denominators

Example:
5 4/7 + 2 3/7 + 3 1/7 = ?

Method 1:
Add integer parts: 5 + 2 + 3 = 10
Add fraction parts: 4/7 + 3/7 + 1/7 = 8/7 = 1 1/7
5 4/7 + 2 3/7 + 3 1/7 = 10 + 1 1/7 = 11 1/7

Method 2:
5 4/7 + 2 3/7 + 3 1/7
Convert mixed fractions to improper fractions and then add them.
5 4/7 + 2 3/7 + 3 1/7 = 39/7 + 17/7 + 22/7
= 78/7
= 11 1/7

Addition of three mixed numbers with unlike denominators

Example:
3 1/8 + 2 1/2 + 4 3/5 = ?

Method 1:
Add integer parts: 3 + 2 + 4 = 9
Add fraction parts: 1/8 + 1/2 + 3/5 = 49/40 = 1 9/40
3 1/8 + 2 1/2 + 4 3/5 = 9 + 1 9/40 = 10 9/40

Method 2:
Convert mixed fractions to improper fractions and then add them.
3 1/8 + 2 1/2 + 4 3/5 = 25/8 + 5/2 + 23/5 = 818/80
= 10 9/40

Directions: Solve the following problems. Also write at least 5 examples of your own for each case shown above.
Q 1: 3 1/12 + 4 3/12 =
7 1/7
7 1/3
7 1/6

 Q 2: 2 1/5 + 3 1/2 + 2 1/3 =
8 1/30
8 1/10
8 1/15

Q 3: 3 1/5 + 2 1/5 =
5 2/5
4 1/5
5 1/5

 Q 4: 15 2/7 + 5 1/7 =
20 2/7
20 4/7
20 3/7

Q 5: 18 20/10 + 1 1/10 + 2 14/10 =
24 1/4
24 1/2
22 1/2

 Q 6: 12 4/3 + 11 1/3 + 2 2/3 =
27 1/4
27 1/3
27 1/6

Q 7: 2 3/8 + 1 1/8 =
3 2/3
3 1/2
3 1/4

 Q 8: 3 1/4 + 2 1/7 =
5 11/28
11 5/28
5 12/27

Question 9: This question is available to subscribers only!

 Question 10: This question is available to subscribers only!


Subscription to kwizNET Learning System 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
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer

Educational Links Privacy Policy Terms of Service Contact Us