Vidaara.orgClass 5 · Mathematics
CodeVID-M05-02-ASF-01
Adding & Subtracting Unlike Fractions - Assignment
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Section A carries 1 mark each, Section B 2 marks, Section C 3 marks and Section D 5 marks.
- Show all working for Sections B, C and D. Only final answers are given at the end — for full solutions, raise your doubts with your teacher.
Section A — Multiple Choice Questions
5 × 1 = 5 marks
1.
To add unlike fractions, first find a:
- A.common numerator
- B.common denominator
- C.reciprocal
- D.product
2.
$\tfrac12+\tfrac13=$
- A.$\tfrac25$
- B.$\tfrac56$
- C.$\tfrac15$
- D.$\tfrac23$
3.
$\tfrac34-\tfrac14=$
- A.$\tfrac12$
- B.$\tfrac24$
- C.$1$
- D.$\tfrac14$
4.
The common denominator is usually the ___ of the denominators.
- A.sum
- B.LCM
- C.product only
- D.difference
5.
Only fractions with the same ___ can be added directly.
- A.numerator
- B.denominator
- C.sign
- D.value
Section B — Short Answer (2 marks)
4 × 2 = 8 marks
6.
Add $\tfrac12+\tfrac14$.
7.
Subtract $\tfrac56-\tfrac13$.
8.
Add $\tfrac13+\tfrac16$.
9.
Subtract $\tfrac34-\tfrac12$.
Section C — Short Answer (3 marks)
4 × 3 = 12 marks
10.
Add $\tfrac23+\tfrac14$.
11.
Subtract $\tfrac56-\tfrac29$.
12.
Add $\tfrac35+\tfrac12$.
13.
Subtract $\tfrac78-\tfrac12$.
Section D — Long Answer (5 marks)
2 × 5 = 10 marks
14.
A jug has $\tfrac34$ litre of juice. Riya drinks $\tfrac13$ litre. How much is left?
15.
Add $\tfrac12+\tfrac13+\tfrac16$.
Answer Key
Section A — Multiple Choice Questions
- (B) common denominator
- (B) $\tfrac56$
- (A) $\tfrac12$
- (B) LCM
- (B) denominator
Section B — Short Answer (2 marks)
- $\tfrac34$.
- $\tfrac12$.
- $\tfrac12$.
- $\tfrac14$.
Section C — Short Answer (3 marks)
- $\tfrac{11}{12}$.
- $\tfrac{11}{18}$.
- $\tfrac{11}{10}$.
- $\tfrac38$.
Section D — Long Answer (5 marks)
- $\tfrac{5}{12}$ litre.
- $1$.
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