Question Paper
Class / Subject: Class 7 (CBSE) · Mathematics
Chapter: Chapter 11 — Chapter 11: Finding Common Ground
Time Allowed: 15 minutes
Max Marks: 6
1. The common denominator for 1/2 and 1/3 is: [1]
(A) 6
(B) 5
(C) 3
(D) 2
2. To convert 1/3 to a denominator of 12, we multiply numerator and denominator by: [1]
(A) 4
(B) 3
(C) 12
(D) 2
3. The LCM is preferred as a common denominator because it: [1]
(A) keeps the resulting numbers as small as possible
(B) always equals 100
(C) is always the larger denominator
(D) makes fractions larger unnecessarily
4. 1/2 - 1/4 equals: [1]
(A) 1/4
(B) 1/2
(C) 2/4 (unsimplified, same as 1/2)
(D) 3/4
5. To add unlike fractions, we first: [1]
(A) find a common denominator
(B) add denominators directly
(C) add numerators only
(D) multiply the fractions
6. 1/3 + 1/4 equals: [1]
(A) 7/12
(B) 2/7
(C) 1/7
(D) 2/12