Fractions (Additions, Fractions with different denominators)：練習問題

What is the value of \( \frac{1}{3} + \frac{1}{6} \)? Give your answer in its simplest form.

A baker used \( \frac{3}{4} \) kg of flour to make bread and \( \frac{5}{12} \) kg of flour to make cookies. What is the total mass of flour used in kilograms? Give your answer as a mixed number in its simplest form.

A rope is \( 3\frac{1}{3} \) metres long. A piece of \( \frac{5}{6} \) metres is cut off, and then another piece of \( 1\frac{1}{4} \) metres is cut off. What is the remaining length of the rope in metres?

Evaluate: \( \frac{1}{2} + \frac{3}{10} \).

Mum used \( \frac{1}{4} \) kg of sugar to bake a cake and \( \frac{1}{3} \) kg of sugar to make jam. How much sugar did she use in total?

Calculate the value of \( \frac{3}{4} + \frac{1}{6} \). Express your answer in its simplest form.

The figure below shows two pipes connected together end-to-end. What is their total length in metres?

Calculate the value of \( \frac{2}{3} + \frac{1}{5} \). Express your answer as a fraction in its simplest form.

John has \( \frac{3}{4} \) kg of apples and \( \frac{2}{5} \) kg of oranges. What is the total weight of the fruits John has? Give your answer as a fraction in its simplest form.

(a) Calculate the value of \( \frac{2}{3} + \frac{1}{4} + \frac{1}{6} \). Give your answer in its simplest form.
(b) A container has \( \frac{2}{3} \) litres of juice. Sarah pours \( \frac{1}{4} \) litres into it from a first bottle and \( \frac{1}{6} \) litres into it from a second bottle. What is the total volume of juice in the container now in litres? Give your answer as a mixed number in its simplest form.