Grade 7 Maths Fractions Quiz (Part A)

Which of the following is a vulgar fraction?

• None of these

Answer explanation

A fraction whose denominator is a whole number, other than 10,100, 1000, etc., is called a vulgar fraction.

Which of the following is an improper fraction?

• None of these

Answer explanation

The improper fraction is when the numerator is greater than the denominator. In this case, 9/7 is an improper fraction.

Which of the following is a reducible fraction?

Answer explanation

The reducible fraction is when the numerator and denominator have a common factor greater than 1. In this case, 105 and 112 share a common factor of 7, making it reducible.

• like fractions

• irreducible fractions

• equivalent fractions

• None of these

Answer explanation

The fractions are equivalent because they represent the same value, just in different forms with different numerators and denominators.

Which of the following statements is true?

• None of these

• None of these

Answer explanation

The reciprocal of 1 3/4 is 4/7, which is not listed among the answer choices. Therefore, the correct answer is None of these.

• None of these

Answer explanation

To add fractions, find a common denominator. Here, the common denominator is 30. So, (3/10 + 8/15) = (9/30 + 16/30) = 25/30 = 5/6.

Answer explanation

To subtract mixed numbers, convert them to improper fractions, then subtract. 3 1/4 = 13/4, 2 1/3 = 7/3. Subtract to get 11/12.

• 9

• 144

Answer explanation

To divide by a fraction, multiply by its reciprocal. 36 * 4 = 144, so 36 ÷ 1/4 = 144.

Answer explanation

To get from 2 3/5 to 1 6/7, we divide 2 3/5 by 1 6/7, which equals 5/7. Therefore, 2 3/5 should be multiplied by 5/7 to get 1 6/7.