Q. Calculate 3/5 of 20

Q. Calculate 5/20 of 120

Q. Simplify 25/30

Q. Amplify 6/7

Q. Obtain the irreducible fraction of 12/18

Q. Obtain the value of x:
5/10=3/x

Q. 2/5 of a pie weighs 300 grams. How much does the whole pie weigh?

Q. An employee earns 1200 euros per month. He puts 200 euros into the bank. Tell me the fraction of the salary that has been saved.

Q. Are equivalent 3/5 and 18/30?

Q. A kilo of strawberries cost 2.80 euros. How much does three-quarters of a kilo cost?