Adding and Subtracting Fractions and Prime and Composite numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator and 'b' is the denominator.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Front

What is the sum of 1/5 + 1/2?

Back

7/10

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have the same denominator, then subtract the numerators.

Front

What is 6/12 - 1/3?

Back

1/6

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

Choose the prime number: 33, 4, 23, 16.

Back

23

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

List all the factors of 24.

Back

1, 2, 3, 4, 6, 8, 12, 24

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly two distinct positive divisors (1 and itself), while composite numbers have more than two.