JSS 1 Mathematics Flashcards: Addition and Subtraction of Fractions and Word Problems

Question 1

During break, Ngozi drank 2/5 of a bottle of water and later drank another 1/5. What fraction did she drink altogether?

Accepted Answer

3/5

Question 2

Calculate 3/4 − 1/8 and give the answer in simplest form.

Accepted Answer

5/8

Question 3

A fruit seller used 1/3 of a crate in the morning and 1/4 in the afternoon. The fraction used was ________.

Accepted Answer

7/12

Question 4

From a ribbon measuring 5/6 metre, Zainab cuts off 1/3 metre. How much ribbon remains?

Accepted Answer

1/2 metre

Question 5

Emeka writes 2/3 + 1/4 = 3/7. What is the correct sum?

Accepted Answer

11/12

Question 6

Two boards measure 1 1/2 metres and 2 1/4 metres. What is their combined length?

Accepted Answer

3 3/4 metres

Question 7

A 4 1/5 kg bag loses 1 3/5 kg of grain. Its new mass is ________.

Accepted Answer

2 3/5 kg

Question 8

Complete the subtraction: 7/10 − 3/5 = ________.

Accepted Answer

1/10

Question 9

Which explanation correctly shows why 1/2 + 1/6 = 2/3?

Accepted Answer

3/6 + 1/6 = 4/6, which simplifies to 2/3

Question 10

A tank was filled by 3/8 in the morning and by 1/4 in the evening. How much of the tank was filled that day?

Accepted Answer

5/8

Question 11

If 5/8 of a task is complete, what fraction is still unfinished?

Accepted Answer

3/8

Question 12

Work out 2/9 + 5/6. Which mixed number is equivalent to the sum?

Accepted Answer

1 1/18

Question 13

A recipe needs 7/12 cup of flour, but 1/8 cup is removed. How much remains?

Accepted Answer

11/24 cup

Question 14

When subtracting 3/11 from 8/11, why can the numerators be subtracted directly?

Accepted Answer

The fractions already have the same denominator

Question 15

The exact value of 3/7 + 2/3 is ________.

Accepted Answer

1 2/21

Question 16

Sade finished 5/8 of her homework before dinner and 1/4 after dinner. What fraction did she finish altogether?

Accepted Answer

7/8

Question 17

On a journey, a driver covered 2/5 of the route before a stop and 3/10 after it. What fraction of the route had been covered?

Accepted Answer

7/10

Question 18

A pupil claims 4/5 − 1/2 = 3/3. Identify the correct result.

Accepted Answer

3/10

Question 19

What fraction must be added to 1/4 to make 5/6?

Accepted Answer

7/12

Question 20

A basket was 3/4 full of oranges. Oranges equal to 1/3 of the basket’s total capacity were sold. Which operation finds the fraction still in the basket?

Accepted Answer

3/4 − 1/3

Strong work.

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