Review: multiplying and dividing fractions
Answers are for parents and teachers.
1
Compute 5/6 · 9/10.
3/4
2
Compute 3 1/3 : 5/9.
6
3
A class has 36 pupils and 5/9 of them are girls. How many girls are there?
20
4
A traveller covered 2/5 of the road, which is 18 km. How many km is the whole road?
45
5
Why is 3/4 · 4/3 = 1? What kind of numbers are these?
(3 · 4)/(4 · 3) = 1; they are reciprocal numbers.