Fractions and Decimals Quiz - Math Class 7

What is the lowest common denominator (LCD) of 18 and 24?

What is the simplified form of the fraction (\frac{18}{24})?

What is the sign of the answer when you multiply a positive number by a negative number?

What is the simplified form of the mixed number (1\frac{4}{5})?

Why is it important to know how to calculate fractions manually, even though a calculator can be used?

What is the simplest form of the fraction representing Elliot's score on his math test, if he scored 65 out of 80?

The fraction 19/4 converted to a mixed number is:

What is the decimal equivalent of the simplified fraction obtained after dividing the numerator and denominator of (\frac{0.8}{1.6}) by 0.8?

Which of the following fractions, when simplified, results in a decimal equivalent between 0.4 and 0.6?

What is the decimal equivalent of 3/8, based on the table provided?

Rendell cycles 42 km at an average speed of 18 km/hr. What fraction represents the time he spent cycling, in its simplest form?

Given a decimal equivalent of 0.375, what is the corresponding fraction in its simplest form?

Craig buys a ring for $500 and sells it for $750. Expressed as a fraction in its simplest form, the selling price as a fraction of the cost price is:

Which of the following fractions, when converted to a decimal, will result in a terminating decimal? (A terminating decimal is a decimal that ends at some point.)

What is the result of multiplying $\frac{3}{4}$ by $\frac{2}{5}$ using the method of cancelling common factors before multiplying?

What is the result of multiplying $\frac{9}{10}$ by $\frac{5}{6}$ after cancelling common factors before multiplying?

What is the result of multiplying $\frac{7}{12}$ by $\frac{2}{5}$?

What is the result of multiplying $\frac{1}{3}$ and $\frac{1}{8}$?

What is the result of the following calculation: 1 1/2 + 2 4/5 ?

If a piece of wood is 4 meters long and is cut into pieces measuring 2/5 meters long, how many pieces are there?

What is the result of the following calculation: 43/20 + 5/6 ?

A bottle contains 2 1/4 litres of water. How many glasses of volume 2/5 litre can it fill?

A roll of ribbon is 32 1/2 cm long. How many pieces 1 1/4 cm long can be cut from the roll?

In Problem 9, what fraction of the pizza did Teddy not eat for dinner?

If Problem 10 were changed so that the warehouse space occupied $\frac{3}{8}$ of the remaining floor area after the production line, what would be the floor area of the production line?

Suppose in Problem 10, the factory wants to build a new extension, increasing the floor area by $\frac{1}{4}$ its original value. If the warehouse space remains at $2000 m^2$ and the proportion of floor area dedicated to production, offices, and warehouse space stay the same, calculate the new floor area of the production line.

What fraction of the pizza did Teddy eat in total?

If the factory floor area is 10,000 $m^2$, how many square meters of the floor area are occupied by the production line?

What is the fraction of homework that remains undone for Li if she completes one-quarter before dinner and one-third after dinner?

What is the fraction of chemical D if compounds A, B, and C are represented by $rac{1}{8}$, $rac{1}{5}$, and $rac{10}{36}$ respectively?

When adding the fractions $rac{1}{5}$, $rac{3}{10}$, and $rac{9}{20}$, what is the simplified result?

Reducing the result of the operation $rac{7}{2} - 2 - rac{1}{6}$ leads to which fraction?

If a mixed number is represented as $4 + rac{2}{3} + rac{6}{6}$, what is its improper fraction form?

What is the first step in evaluating the expression $8 + (6 - 4) * 3^2 - 5$?

In the expression $12 - 4 + 2^3 * (3 + 1)$, what should be calculated after resolving the brackets?

What is the correct result of the expression $5 + 2 * 3^2 - (8 - 4)$ when following the order of operations?

Which operation is performed last when evaluating the expression $4 + 8 - 2 * 3 + 6 / 2$?

When evaluating the expression $7 * (3 + 2) - 4^2 / 2$, which step follows the evaluation of indices?

What is the result of dividing 2 by one-third?

How can you express the operation $9 \div 1\frac{1}{5}$ using multiplication?

What is the result of the operation $1\frac{2}{5} \div \frac{3}{5}$?

If you divide $2\frac{2}{3}$ by 4, what is the result?

What does $\frac{1}{2} \div 3$ equal when simplified?

What is the value of the expression (16 - 4 × 3) / (6 + 3 × 2)?

If you insert brackets in the expression 4 × 5 - 3 + 2, what would lead to a result of 10?

Which of the following expressions evaluates to 14 according to the order of operations?

What is the result of the expression 12 + 4 × 2?

Which of the following pairs of operations correctly demonstrates the concept of the line in a fraction acting like brackets?