Question

efetue as multiplicações:
3/4.1/2=
2/3.1/4.8/5=
6/5.25/3.9/2=

Answer 1

3/4 . 1/2  = 3/8 ***
multiplica os numeradores e os denominadores
2/3 . 1/4 .8/5 =  16/60  = 4/15 ***
6/5. 25/3 . 9/2 = 1350/30 = 45/1****