Multiplying and dividing fractions

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 (part) and 'b' is the denominator (whole).

Front

How do you multiply two fractions?

Back

To multiply two fractions, multiply the numerators together and the denominators together. For example, (a/b) * (c/d) = (a*c)/(b*d).

Front

What is the product of 3/4 and 2/3?

Back

The product is (3*2)/(4*3) = 6/12 = 1/2.

Front

How do you divide fractions?

Back

To divide fractions, multiply by the reciprocal of the second fraction. For example, (a/b) ÷ (c/d) = (a/b) * (d/c).

Front

What is the reciprocal of 2/5?

Back

The reciprocal of 2/5 is 5/2.

Front

What is the area of a rectangle with width 3/5 and length 2/4?

Back

The area is (3/5) * (2/4) = 6/20 = 3/10.

Front

What is 1/6 ÷ 3?

Back

1/6 ÷ 3 = 1/6 * 1/3 = 1/18.

Front

What is the product of 4/5 and 5/4?

Back

The product is (4*5)/(5*4) = 20/20 = 1.

Front

If you have 8 cakes and cut each into thirds, how many guests can you serve if each guest gets 1/3 of a cake?

Back

You can serve 8 * 3 = 24 guests.

Front

What is 2/3 of 12?

Back

2/3 of 12 is (2/3) * 12 = 8.