Fractions (Multiplication)：練習問題

A baker uses \( \frac{3}{8} \) kg of flour to bake one loaf of bread. How much flour does he need to bake \( 6 \) loaves of bread?

A box contains 72 chocolates. \( \frac{5}{9} \) of the chocolates are milk chocolates, and \( \frac{1}{4} \) of the milk chocolates have nuts. How many milk chocolates with nuts are in the box?

A shop had 120 kg of apples. It sold \( \frac{2}{5} \) of them in the morning and \( \frac{3}{4} \) of the remainder in the afternoon. How many kilograms of apples were sold in the afternoon?

Calculate: \( \frac{5}{6} \times 9 \)

A bag contains 72 marbles. \( \frac{5}{9} \) of the marbles are blue, and \( \frac{3}{8} \) of the blue marbles are large. How many large blue marbles are in the bag?

A bag of flour weighs \( \frac{3}{5} \) kg. What is the total weight of 10 bags of flour in kilograms?

A water jug contains \( 2\frac{2}{5} \) litres of water. If a cup holds \( \frac{1}{8} \) of the water in the jug, how many litres of water does the cup hold?

Mrs. Wong bought \( 4\frac{4}{5} \) kg of flour. She used \( \frac{1}{4} \) of it to bake cookies and \( \frac{2}{3} \) of the remaining flour to bake a cake. How many kilograms of flour did she use for the cake?

A flower shop has 64 roses. \( \frac{3}{8} \) of the roses are red and the rest are pink.

a. How many red roses are in the shop?
b. How many pink roses are in the shop?

A rectangular plot of land is \( 12\frac{4}{5} \) metres long and its width is \( \frac{3}{8} \) of its length.

a. What is the width of the land in metres?
b. What is the area of the land in square metres?