Examples with solutions for Subtraction of Fractions: Worded problems

Exercise #1

Harry likes to climb mountains. Every day, he ascends 15 \frac{1}{5} of the mountain's total height.

How much further must Harry climb to reach the peak after climbing for three days?

Video Solution

Answer

25 \frac{2}{5}

Exercise #2

Roberto, Diego, and Marcelo order a pizza.

Roberto eats 27 \frac{2}{7} of the pizza and Marcelo eats 13 \frac{1}{3} of the pizza.

How much is left for Diego to eat?

Video Solution

Answer

821 \frac{8}{21}

Exercise #3

A full bottle of water has a small hole in it. Every hour the amount of water in the bottle decreases by112 \frac{1}{12} .

How much water remains in the bottle after 4 hours?

Video Solution

Answer

23 \frac{2}{3}

Exercise #4

Silvina buys a birthday cake. Lionel eats 14 \frac{1}{4} of the cake and Armando eats 13 \frac{1}{3} of the cake.

How much of the cake is left?

Video Solution

Answer

512 \frac{5}{12}

Exercise #5

Janet reads a book for two days.

On the first day, she reads 14 \frac{1}{4} of the book and on the second day she reads 12 \frac{1}{2} of the book.

How much of the book does she have left to read?

Video Solution

Answer

14 \frac{1}{4}