tolong isi jawaban ini saya mintak tolong

1)5 4/5×3/4
=29/5×3/4
=87/20
=4 7/20
2)2 3/7×1 5/6
=17/7×11/6
=187/42
=4 19/42
3)0,28×0,45
=0,126
4)4,8×0,15
=0,675
5)2 3/5×0,65
=13/5×65/100
=845/100
=8 45/100
=8 9/20
SEMOGA BERMANFAAT