Competitions

# Week 10: January 18 - 24

# Fractions: multiplication and division

Two fractions are given. Find their product or quotient.

#### Input

Each line contains an example of multiplication or division of fractions. The numerator and denominator of each fraction is a positive integer, not greater than `10`

.^{9}

#### Output

For each input example, print in a separate line the answer in the form of an irreducible fraction.

Input example #1

2/3 * 5/6 1/2 / 4/5 7/8 * 11/41 7/1 / 3/7

Output example #1

5/9 5/8 77/328 49/3